When war breaks out, what happens to the weather forecast? Violent conflict disrupts many essential services in developing countries and one of the most overlooked is meteorology, which has surprisingly big consequences for farmers, policymakers, and the aid workers who are there to help.

The board of the United Nations’ lead organization on trade and development, called UNCTAD, released an assessment of Gaza’s development challenges during their annual meeting in Geneva this month and the news is not good. In 2012, the UN warned that a “herculean” development effort would be to keep pace with Gaza’s rapid population growth. Since then, more fighting with Israel has made things worse, particularly with regard to water and food security. Ninety-five percent of the water from Gaza’s coastal aquifer is unsafe for drinking without treatment, the report says. Contamination and over-extraction may even render it unusable by next year and damage may be irreversible if not addressed in the next five years.

More than 80 percent of the estimated 42 million people living in Central Africa’s Lake Victoria Basin depend on fishing or farming for survival. Given this overwhelming reliance on natural resources, the lake’s deteriorating condition – driven by climate change, agriculture, pollution, deforestation, overfishing, and industrialization – has far-reaching implications.

Given that there have been three major peace processes in Sudan’s troubled western province of Darfur, the current escalation of violence indicates that perhaps something about existing approaches is failing to hit the mark. Identifying what is missing is vital – not just for Darfur, but for other areas with similar challenges of state fragility, poverty, and competition over natural resources.

The World Economic Forum recently named water crisis the world’s number one risk for the next 10 years for its potential impact on people and industry. Indeed, as the global community grapples with climate change – and environmental change of all kinds – understanding the fundamental nature if water to human society is crucial. The input report for this year’s World Water Week, released yesterday by the Stockholm International Water Institute, in fact argues that getting water management right is a prerequisite for sustainable development.

Food and water are tied to one another fundamentally. But in addition to their biophysical relationship, human systems intervene, whether through pricing schemes and trade agreements or shifting patterns in consumption and taste.

In 2007, the world crossed a threshold:  for the first time in human history, the majority of people lived in urban areas. Today, Africa and Asia are the only remaining continents where the rural population outnumbers urban, but they are urbanizing at unprecedented rates. This rapid growth is a double-edged sword. While urbanization spurs economic opportunity and often increases access to infrastructure, it is also widening disparities in health and development, according to a new data sheet by the Population Reference Bureau.