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 announcement in Washington on September 24 that President Xi Jinping is committing China to a national carbon trading system is the latest step in an important partnership between the two biggest carbon emitters in the world.

Scenario planning has a long history. The RAND Corporation employed it heavily in planning for potential U.S. responses to nuclear war and 16^th century Spanish Jesuit theologians pointed to the idea as proof of free will. But in many respects this powerful set of methodological tools for managing complexity and uncertainty remains underused, especially beyond the defense, intelligence, and business communities.

According to recent polling, climate change is seen as the single most threatening international challenge around the world, and there’s evidence that all that worry is taking a psychological toll. Adding to droughts, floods, extreme weather, and die-offs, psychologists are observing higher levels of anxiety, depression, and post-traumatic stress disorder in certain areas and professions. Even people who do not actively stress about global warming or view it as a major threat may still suffer psychological trauma from its effects.

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.

Water is being used as a weapon of war on one of Syria’s deadliest battlegrounds, says the International Committee of the Red Cross (ICRC) and its local affiliate, the Syrian Arab Crescent, in a new video.

Shenzhen sits in subtropical south China, where four-fifths of the country’s water resources flow. The monsoon brings heavy rains from April to September; at its peak, Shenzhen’s more than 7 million residents see pouring rain almost every day. So why is this city facing a serious water shortage?