China’s “strictest air protection law” yet took effect on January 1, 2016, promising to bring big changes to its smog-filled cities. But some municipal governments have been ahead of the curve, working to clean up the air through experimentation and innovation. Shenzhen, China’s first special economic zone and which recently passed its neighbor Hong Kong to lead China’s most competitive cities, is one of these.

The year is 2022. Strong El Niño and La Niña events in successive years have drastically reduced wheat yields in India and Australia and increased the range of certain pests and plant pathogens in the Western Hemisphere. Moreover, a drought across North America has reduced corn and soybean yields significantly. Global commodity prices are up 262 percent over long-term averages. These price increases are compounding other social and economic challenges, contributing to social unrest in several food-importing nations.

DURBAN, South Africa — Arguably the most elegant aspect of an inelegant subject is how this city of 3.2 million residents, South Africa’s second largest, is solving monumental water and waste challenges in its jammed informal settlements.

Canada is well known as a world leader in measures of human wellbeing. Since the launch of the UN Human Development Index in 1990, Canada has ranked among the top 10 countries every single year except one. But though Canadians can take a just pride in their country’s achievement on the global stage, it nevertheless masks grave concerns at home.

Despite evidence that natural resources play a major role in many conflicts – 40 percent of all civil wars since the end of the Cold War, according to an estimate by the UN Environment Program – a study conducted by Arthur G. Blundell and Emily E. Harwell for the NGO Forest Trends reveals that most ceasefire and peace agreements do not address natural resources.