Showing posts from category food security.
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Engineering Solutions to the Infrastructure and Scarcity Challenges of Population Seven Billion (and Beyond)
›March 9, 2011 // By Hannah MarquseeA recent Institution of Mechanical Engineers (IME) report, Population: One Planet, Too Many People?, argues that “sustainable engineering solutions largely exist for many of the anticipated challenges” of a world population scheduled to top seven billion this year and projected to reach upwards of nine billion by 2050. “What is needed,” write the authors, “is political and social will, innovative financing mechanisms, and the transfer of best practice through localization to achieve a successful outcome.”
City lights on the French-Italian border, from the International Space Station.
Since nearly all of the population growth in the next 40 years will occur in the developing world, the report recommends nations adopt five “Engineering Development Goals” (listed below), alongside the Millennium Development Goals, to meet the needs of the world’s growing poor. The report also recommends that developed countries provide technical engineering expertise to developing countries in the model of the UK Department for International Development’s Resource Centers. This assistance will help them implement these goals and “leapfrog” the “resource-hungry, dirty phase of industrialization.”
Population Growth a Threat?
While the report issues a clear call to action for engineers and governments, it does not address the issue of population growth per se, which has caused some to argue that population growth might not be the problem after all. The Independent, for example, initially headlined their article about the report, “Population Growth Not a Threat, Say Engineers,” but changed it after publication to “Population Growth a Threat, Say Engineers.”
The IME authors clearly state that “population increase is likely to be the defining challenge of the 21st century,” and the report provides practical steps governments can take given current population trends. But its focus on “engineering solutions” highlights the ongoing debate between those who argue that technological fixes alone can solve the world’s social and environmental problems, and those who advocate for contraception as a low-cost path to a sustainable world.
“I would love there to be technological solutions to all our problems,” said Nobel Laureate Sir John Sulston at a recent ECSP event on the UK Royal Society’s forthcoming People and the Planet study, but “we’ve got to make sure that population is recognized, while not the sole problem, as a multiplier of many others. We’ve got to make sure that population really does peak out when we hope it will.”
The projections on which the report is based will be difficult to hit without dramatic reductions in fertility, mainly in sub-Saharan Africa – a goal that is nigh impossible without increased investment in access to voluntary family planning. The UN high variant projection, which calculates a much less dramatic decrease in current fertility levels, has world population reaching 11 billion by 2050.
“There is no need to delay action while waiting for the next greatest technical discovery,” write the IME authors. “If action is not taken before a crisis point is reached there will be significant human hardship. Failure to act will place billions of people around the world at risk of hunger, thirst, and conflict as capacity tries to catch up with demand.”
Engineering Development Goals
1. “Energy: Use existing sustainable energy technologies and reduce energy waste.”
Currently, “over 1.5 billion people in the world do not have access to energy,” says the IME report. In addition, global demand for energy is expected to rise by 46 percent by 2030, and the world will need to invest $46 trillion over the next 40 years to shift towards renewable energy sources. The report points out that “there are no insurmountable technical issues in sourcing enough energy for an increasingly affluent larger global population.” Instead, “the difficulties lie in the areas of regulation, financing, politics, social ethics, and international relations.”
2. “Water: Replenish groundwater sources, improve storage of excess water and increase energy efficiencies of desalination.”
Global water consumption, write the IME authors, is predicted to rise 30 percent by 2030 due to population growth and increased energy and agricultural consumption. These numbers are troubling, considering that a recent study in Nature found that more than 1.7 billion people, almost entirely from the developing world, already face chronically high water scarcity.
However, this problem is not simply one of a shortage of water, rather “a case of supply not matching demand at a certain time and place where people are living,” says the IME report. Engineering solutions must involve the capturing and storage of rain water, more cost-effective desalination techniques, and aquifer storage and recovery techniques, says the report. But more importantly, “decision-makers need to become more aware of the issues of water scarcity and work more closely with the engineering profession in finding localized solutions.”
3. “Food: Reduce food waste and resolve the politics of hunger.”
The IME report cites the World Bank’s prediction that demand for agricultural production will double by 2050, due to a combination of population growth, more people turning to meat-heavy diets, and agricultural shortages from extreme weather events. Efficiencies can go a long way towards filling this supply-demand gap, says the IME report. In developed countries an average of 25 percent of edible food is thrown away in the home after purchase, while in developing countries, as much as half of crops are lost before ever reaching market due to lack of adequate transportation and storage infrastructure.
For example, the authors point out that in India, “between 35 percent and 40 percent of fruit and vegetable production is lost each year between the farm and the consumer” – an amount greater than the entire annual consumption of the UK. Americans are also big food wasters. A USDA study found that in one year, 27 percent of all edible food was thrown away in the United States after purchase. Developed countries can significantly increase efficiency “through behavioral change that recognizes the value of food,” says the report.
4. “Urbanization: Meet the challenge of slums and defending against sea-level rises.”
Urbanization “presents one of the greatest societal challenges of the coming decades,” write the IME authors, but cities also represent a “significant opportunity…to be very efficient places to live in terms of a person’s environmental impact.”
According to the World Bank, by 2050, three quarters of the world will live in cities, and nearly all of this growth will occur in the developing world. Already, one third of the world’s urban population live in “appalling slum conditions,” says the IME report. Challenges for the urban poor are especially severe in coastal areas – home to three quarters of the world’s large cities – where they are vulnerable to flooding and extreme weather events, which according to new studies, have increased as a result of climate change.
The report calls for nations to use an “integrated, holistic approach” that brings in engineering expertise early in the planning process to create infrastructure that is individualized to a city’s unique cultural, geographical, and economic needs.
5. “Finance: Empower communities and enable implementation.”
Implementation of the above four goals will require “innovative soft loans and micro-financing, ‘zero-cost’ transition packages, and new models of personal and community ownership, such as trusts,” write the IME authors. Furthermore, communities must play a central role in decision-making in order to find appropriate and local solutions.
In all five of these goals, “barriers to deploying solutions are not technological,” says the report. Instead, they are political and social. Better international cooperation, dialogue, and sharing of expertise between and amongst engineers, decision-makers, and the public, is crucial to implementation.
Sources: Department for International Development, Guardian, The Independent, Institution of Mechanical Engineers, Nature, The New York Times, UN Habitat, United Nations, USDA, World Bank.
Image Credit: “City Lights, France-Italy Border (NASA, International Space Station Science, 04/28/10),” courtesy of flickr user NASA’s Marshall Space Flight Center. -
USAID’s Role in National Security: Development Matters and It’s Cheaper Than You Think
›February 22, 2011 // By Ramona Godbole“Development is not and cannot be a sideshow,” said U.S. Agency for International Development (USAID) head Rajiv Shah, in a speech at the Center for Global Development on January 19. This year marks the 50th anniversary of USAID, and there are some promising changes in the works for the agency as it transforms itself into a “modern development enterprise.”
Over the past year, the Obama administration launched the Quadrennial Diplomacy and Development Review (the QDDR – see our full set of reviews on this first-of-its-kind document), Feed the Future, and the Global Health Initiative. In accordance with these new strategic initiatives, USAID has launched USAID Forward to implement a series of reforms to strengthen its capacity to meet the world’s development challenges effectively and efficiently. The agency has tried to foster a “spirit of innovation, science, technology, and smarter strategic thinking to each of [its] areas of core focus: gender, education, water, and climate,” said Shah. In his speech at CGD, he announced a new, re-worked evaluation policy and outlined a number of cost-saving actions, including graduating countries that no longer need aid, promoting procurement and contracting reform, and eliminating some costly senior positions in the agency.
Value to Shareholders
Moving forward, USAID is working to further reduce inefficiencies and increase transparency, said Shah, and is “focused on delivering the highest possible value for our shareholders – the American people and the congressional leaders who represent them.” He added that “like an enterprise, we’re relentlessly focused on delivering results and learning from success and failure.”
These are exciting changes for the development community. But, if Congress significantly cuts funding, by, for example, passing a plan similar to one endorsed by 165 Republican representatives a few weeks ago, these changes might not see the light of day – the plan proposed to save $1.39 billion by eliminating agency operating expenses. Putting that in perspective, the USAID operating budget for the past fiscal year was $1.69 billion. (Strangely, while the plan all but eliminates the agency that administers them, it does little to cut actual outgoing foreign assistance monies.)
The plan, however, may reflect the views of much of the American public. A World Public Opinion poll showed that Americans believe the government spends up to 25 percent of its budget on foreign aid and want to cut back to 10 percent, while in fact, aid represents just one percent of the federal budget (compared with more than 20 percent for defense).
What the proposed plan fails to take into account is development’s role in promoting peace, security, and prosperity globally. Said Shah at CGD, “as the President and the Secretaries of State, Treasury, and Defense have all made abundantly clear, development is as critical to our economic prospects and our national security as diplomacy and defense.”
A More Efficient Investment
Shah elaborated on this idea in an interview with Foreign Policy last month: “In the military they call us a high-value, low-density partner because we are of high value to the national security mission but there aren’t enough of us and we don’t have enough capability,” he said. “This is actually a much, much, much more efficient investment than sending in our troops, not even counting the tremendous risk to American lives when we have to do that.”
Chad Briggs, a professor for the USAF Air University, pointed out the multiple benefits to the military that increased State and USAID agency in the field could provide in his review of the QDDR:Considering the existing responsibilities of the United States overseas and the potential for future risks and crises that will need to be addressed, the QDDR’s recommendations to strengthen engagement abroad can only be a positive step for U.S. interests. If the various hurdles enumerated above and elsewhere can be addressed, the QDDR’s focus on emerging risks may also ease the burden on DOD resources and force deployments, recognizing that not every engagement abroad should be resolved by the military alone.
If done right, development can provide both economic growth and democratic governance and help stabilize countries before, during, and after conflict or crisis in a cost-effective way while simultaneously addressing transnational human and environmental security issues like hunger, poverty, disease, and climate change (see Yemen for an example where the application of soft power now could reduce the chance of deploying more hard power later).
Policymakers should support USAID’s current efforts to make smarter investments, “which over time will save hundreds of millions of dollars, as opposed to trying to save a little bit now by cutting our capacity to do oversight and monitoring,” said Shah in Foreign Policy.
Sources: Center for Global Development, The Economist, Foreign Policy, USAID, U.S. Department of State, World Public Opinion.
Photo Credit: “Pallets of food, water and supplies staged to be delivered,” courtesy of flickr user USAID_Images. -
A Dialogue on Managing the Planet
›“Collectively, the impact of humanity on the way the planet works is enormous and headed in disturbing directions,” said George Mason University professor Thomas Lovejoy in January at the first in a monthly series, “Managing the Planet,” led jointly by George Mason University and the Woodrow Wilson Center. The series will focus on how to take “environmental management to the scale of the entire planet,” as climate change, increasing energy consumption, and population growth place increasing stress on natural resources. We need to “chart a better course for the human future,” said Lovejoy.
Joining Lovejoy at the kickoff meeting were Dennis Dimick, executive environment editor at National Geographic, and Professor Molly Jahn of the University of Wisconsin-Madison. [Video Below]
Signs From Earth
“The entire human enterprise is based on the assumption of a stable climate,” said Lovejoy. The “most dramatic part of the story” in recent decades has been the melting of ice in the Arctic and in the mountain ranges of tropical zones. At current rates, tropical glaciers will completely disappear within the next 15 years. Though scientists predicted it would last until at least 2015, Bolivia’s Chacaltaya glacier – once renowned as the world’s highest elevation ski area – was reduced to a “few lumps of ice” in 2009, according to the BBC.
Glacial melt has raised water temperatures, altered species migrations, and threatened water supplies, coastal ecosystems, and the communities that depend on them, said Lovejoy. Higher ocean temperatures also cause the “fundamental partnership” between coral reefs and algae to break down, and “the Technicolor world essentially goes black and white,” he said.
Ocean acidification, fresh water shortages, melting glaciers, pollution, forest fires, and a “vast whipsaw” of temperature and weather extremes are just some of the effects human consumption has had on the planet, said Dimick. “It’s a sign from the Earth. It is telling us, ‘not all is well.’”
Finding Balance
As the world’s population nears seven billion this year, “we have one planet, yet we live like we live on four,” said Dimick. National Geographic’s new series “Population 7 Billion” seeks to answer the questions, he said, of “how do we find balance? How do we find ways to lower the intensity of our demands on an Earth that is telling us it is strained?”
Finding solutions to these challenges will require us to “look forward and confront the future,” said Dimick. “We need to rethink our whole global energy system,” he said, and “rethink our basic premise about what we need, as opposed to what we want.”
The global emissions limit of 450 parts per million (ppm) of carbon – the level needed to achieve the two-degree warming limit agreed upon at Cancun and Copenhagen – “is probably too high,” said Lovejoy. Most scientists agree that 350 ppm is a safer level; however, the world is already at “390 and climbing,” he noted, and global temperatures are projected to rise two degrees Celsius by 2035. If we want global warming to stop at two degrees, carbon emissions will need to stop growing by 2016, he said.
Figuring Out “Plan B”
“We have a problem that is presenting itself in a whole host of ways, with urgency that cannot be denied or dismissed,” said Jahn. “The way we do agriculture is a very significant contributor” to that problem, she said. Today, in the United States, “we waste 40 percent of the food we grow,” she said.
“Plan A…was about maximizing productivity at all costs,” said Jahn. “It looks like we may need another plan.” But figuring out “Plan B” will require steps by both policy and science communities. “We still have enormous gaps in our understanding towards even the basic science platform upon which these very important decisions about ways forward lie,” she said.
Managing the planet must begin with managing data so that we can “transition between data, information, and knowledge, and march this information out to…those making decisions that matter,” said Jahn. The information management structure that developed in the medical sciences and led to the creation of the National Library of Medicine is a useful model for managing the planet, she argued. “Personalized medicine” for the planet would allow people to use data to make better decisions about who should be doing what and where.
Using and expanding the knowledge base is a crucial step towards bringing together the science and policy communities on an international scale in search of solutions to managing the planet. “If we work together, we can change the world,” said Dimick.
Sources: 350 Science, BBC, Earth System Research Laboratory, United Nations Environment Program, United Nations Framework Convention on Climate Change.
Photo Credit: “Sun Over Earth (NASA, International Space Station, 07/21/03),” courtesy of flickr user NASA’s Marshall Space Flight Center. -
Food Price Shocks and Instability Highlight Weaknesses in Governance and Markets
›Unrest across the Middle East has been front-page news for weeks, with commentators searching for explanations to account for the shifting political winds. Many, such as Thomas Friedman and Kevin Hall, have drawn connections between food prices and instability. But, as they point out, high food prices do not deterministically lead to unrest. Instead, rising prices highlight the degree to which governments and governance processes provide and ensure sustainable livelihoods for their people. What these and other commentators point to is that recognizing the role of government in providing food and security is vital: high food prices, they argue, don’t directly cause unrest, but high food prices in poorly managed countries creates a dangerous environment in which unrest may be more likely.
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Edward Carr, University of South Carolina
Why the Poorest Aren’t Necessarily the Most Vulnerable to Food Price Shocks
›February 8, 2011 // By Wilson Center StaffThere have been an interesting series of blog posts going around about the issue of price speculation in food markets, and the impact of that speculation on food security and people’s welfare. Going back through some of these exchanges, it seems to me that a number of folks are arguing past one another.
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Elizabeth Malone on Climate Change and Glacial Melt in High Asia
›“There’s nothing more iconic, I think, about the climate change issue than glaciers,” says Elizabeth Malone, senior research scientist at the Joint Global Change Research Institute and Pacific Northwest National Laboratory. Malone served as the technical lead on “Changing Glaciers and Hydrology in Asia: Addressing Vulnerability to Glacier Melt Impacts,” a USAID report released in late 2010 that explores the linkages between climate change, demographic change, and glacier melt in the Himalayas and other nearby mountain systems.
Describing glaciers as “transboundary in the largest sense,” Malone points out that meltwater from High Asian glaciers feeds many of the region’s largest rivers, including the Indus, Ganges, Tsangpo-Brahmaputra, and Mekong. While glacial melt does not necessarily constitute a large percentage of those rivers’ downstream flow volume, concern persists that continued rapid glacial melt induced by climate change could eventually impact water availability and food security in densely populated areas of South and East Asia.
Rapid demographic change has potentially factored into accelerated glacial melt, even though the connection may not be a direct one, Malone adds.
Atmospheric pollution generated by growing populations contributes to global warming, while black carbon emissions from cooking and home heating can eventually settle on glacial ice fields, accelerating melt rates. Given such cause-and-effect relationships, Malone says that rapid population growth and the continued retreat of High Asian glaciers are “two problems that seem distant,” yet “are indeed very related.”
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Watch: Amy Webb Girard on Integrated Development Strategies for Improved Women’s Nutrition
›“When women become pregnant…their nutrient needs shoot through the roof,” said Amy Webb Girard of Emory University’s School of Public Health in this interview with ECSP and the Global Health Initiative. Girard explains that under-nutrition is a major problem for women – especially pregnant women – in resource-poor settings.
“For example, iron requirements almost double during the course of pregnancy, but iron is one of those nutrients that are really difficult to get,” Girard explained. Meat is not readily available in many developing countries and the iron in non-meat foods is not absorbed as completely. As a result, “women by and large are unable to meet those nutrient needs,” she said.
Fortunately, there is “an arsenal of nutritional interventions available,” noted Girard, including micro-nutrient supplements, behavior change strategies, and integrated facility- and community-based delivery methods.
“Additionally I think it’s very important that we also look at food production. This is a key, key thing,” said Girard. “Women who are able to produce their own foods [and] households that can produce their own foods have greater food security.”
“A lot of these agricultural strategies serve double purposes,” Girard said. “They not only increase the available food and the quality of that food, they improve women’s livelihoods, they give them a source of income, they give them – as some studies have shown – greater ability to negotiate within their own households for how money should be spent [and] whether they should access care or not. So they actually empower women in ways beyond nutrition.” -
How Population Growth Is Straining the World’s Most Vital Resource
Turning Up the Water Pressure [Part Two]
›January 19, 2011 // By Russell SticklorThis article by Russell Sticklor appeared originally in the Fall 2010 issue of the Izaak Walton League’s Outdoor America magazine. Read part one here.
As concerns over water resources have grown around the globe, so too have proposed solutions, which range from common sense to absurd. Towing icebergs into the Persian Gulf or floating giant bags of fresh water across oceans to water-scarce countries are among the non-starters. But more moderate versions of those ideas are already being put into practice. These solutions showcase the power of human ingenuity — and reveal just how desperate some nations have become to secure water.
For example, India is doing business with a company out of tiny Sitka, Alaska, laying the framework for a water-export deal that could see huge volumes of water shipped via supertankers from the water-rich state of Alaska to a depot south of Mumbai. Depending on the success of this arrangement, moving bulk water via ship could theoretically become as commonplace as transoceanic oil shipments are today.
There is far greater potential, however, in harnessing the water supply of the world’s oceans. Perhaps more than any other technological breakthrough, desalination offers the best chance to ease our population-driven water crunch, because it can bolster supply. Although current desalination technology is not perfect, Eric Hoke, an associate professor of environmental engineering at the University of California-Los Angeles, told me via email, it is already capable of converting practically any water source into water that is acceptable for use in households, agriculture, or industrial production. Distances between supply and demand would be relatively short, considering that 40 percent of the world’s population — some 2.7 billion people — live within 60 miles of a coastline.
The Lure of Desalination
Although desalination plants are already up and running from Florida to Australia, the jury is still out on the role desalination can play in mitigating the world’s fresh water crisis. Concerns persist over the environmental impact seawater-intake pipes have on marine life and delicate coastal ecosystems. Another question is cost: Desalination plants consume enormous amounts of electricity, which makes them prohibitively expensive in most parts of the world. Desalination technology may not be able to produce water in sufficient scale — or cheaply enough — to accommodate the growing need for agricultural water. “Desalination is more and more effective [in producing] large quantities of water,” notes Laval University Professor Frédéric Lasserre in an interview. “But the capital needed is huge, and the water cost, now about 75 cents per cubic meter, is far too expensive for agriculture.” Although desalination might be “a good solution for cities and industries that can afford such water,” Lasserre predicts it “will never be a solution for agricultural uses.”
Nevertheless, desalination’s promise of easing future water crunches in populous coastal regions gives the technology game-changing potential at the global level. “Desalination technology,” Columbia University’s Upmanu Lall told said in an email, “will improve to the point that [water scarcity] will not be an issue for coastal areas.”
A Glass Half Full
With world population projected to grow by at least 2 billion during the next 40 years, water will likely remain a chief source of global anxiety deep into the 21st century. Because water plays such a fundamental role in everyday life across every society on earth, its shared stewardship may become an absolute necessity.
Take India and Pakistan’s landmark Indus Waters Treaty of 1960, which is still in effect today. The agreement — signed by two countries that otherwise can’t stand each other — shows that when crafted appropriately and with enough patience, international water-sharing pacts can help defuse tensions over water access before those tensions escalate into violence. Similar collaboration on managing shared waters in other areas of the world — a process that can be a bit bumpy at times — has proven successful to date.
Meanwhile, more widespread distribution of reliable family planning tools and services across Latin America, sub-Saharan Africa, and Asia will also be needed if the international community hopes to meaningfully address water scarcity concerns. Better access to healthcare and family planning tools would empower women to take greater control over their reproductive health and potentially elevate living standards in crowded parts of the developing world. Smaller family sizes would help decelerate population growth over time, easing the burden on water and soil resources in many areas. The key is ensuring such efforts have adequate funding. The United States recently pledged $63 billion over the next six years through its Global Health Initiative to help partner countries improve health outcomes through strengthened health systems, with a particular focus on improving the health of women and children.
Putting a dent in the global population growth rate will be important, but it must be accompanied by a sustained push for conservation — nowhere more so than in agriculture. Investing in the repair of a leaky irrigation infrastructure could help save water that might otherwise literally slip through the cracks. Attention to maintaining healthy soil quality — by practicing regular crop rotation, for example — could also help boost the efficiency of irrigation water.
Setting a Fair Price
The most enduring changes to current water-use practices may have to come in the form of pricing. In most parts of the world, including parts of the United States, groundwater removal is conducted with virtually zero oversight, allowing farmers to withdraw water as if sitting atop a bottomless resource. But as groundwater tables approach exhaustion, the equation changes; as Ben Franklin famously pointed out, “when the well’s dry, we know the worth of water.”
The key, then, is to establish the worth of water before this comes to pass. Smart pricing could encourage conservation by making it less economical to grow water-intensive crops, particularly those ill-suited to a particular climate. “Some crops being grown should not be grown . . . once the true cost of water is factored in,” Nirvikar Singh, a University of California-Santa Cruz economics professor who focuses on water issues, told me via email. Pricing would also provide a revenue stream for modernizing irrigation infrastructures and maintaining sewage systems and water treatment centers, further bolstering water efficiency and quality both in the United States and around the globe.
To be sure, implementing a pricing scheme for water resources — which have been essentially free throughout history — will be unpopular in many parts of the world. It’s natural to expect some pushback from the public as water managers and governments take steps to address the 21st century water crunch. But given the resource’s undeniable and universal value on an ever-more crowded planet, few options exist aside from using the power of the purse to push for more efficient water use.
In the end, however, water pricing must be combined with greater public value on water conservation — we must not flush water down our drains before using it to its full potential. Whether that involves improving the water transportation infrastructure, recycling wastewater, taking shorter showers, or turning to less water-intensive plants and crops, steps big and small need to be taken to better conserve and more equitably divide the world’s water to irrigate our farms, grow our economies, and sustain future generations.
Sources: Columbia Water Center, National Geographic, Population Reference Bureau, White House.
Photo Credits: “Juhu Beach Crowded,” courtesy of flickr user la_imagen, and “Irrigation (China),” courtesy of flickr user spavaai.
