There’s perhaps no better evidence of China’s growing appetite for American agricultural products than the ongoing transformation of the port of Oakland.

When you shop for a new refrigerator or pair of shoes, where do you look for information about products? Do you log onto Amazon and read reviews? Check Consumer Reports for lab-verified results? Consult your neighbor or mom?

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.

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.

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?

As Saddam Hussein drained Iraq’s famed marshes to punish the rebellious tribesmen who lived in them, Amjad Mohamed packed his few possessions, grabbed his fishing rod, and fled south to Basra with his extended family.

“Tackling climate change could be the greatest global health opportunity of the 21^st century,” asserts the newest report by the Lancet Commission on Health and Climate Change.