The Greener Pope

Francis is about to put climate change front and center on his papal agenda. But can his Holiness heal the political divide?


Gold, Oil, and Cigarettes: How an Obscure Trade Provision Protects the World’s Biggest Companies

Investor-state provisions in free trade agreements allow companies to arbitrate disputes with governments outside of local courts.

Tea Leaf Nation

China’s Real Inconvenient Truth: Its Class Divide

Solving China's air and water pollution will require addressing the gap between rich urbanites and rural peasants.

Tea Leaf Nation

China’s National Conversation on Pollution Has Finally Begun

An "Inconvenient Truth"-style documentary has hundreds of millions suddenly talking.


Watch China’s Silent Assassin in Action

Air pollution still kills thousands of urban-dwelling Chinese each year. Will it take a generation to change?


The Waters Beneath

From floods to droughts to plastic-bottle wastelands, a world with -- and without -- water.


Longform’s Picks of the Week

The best stories from around the world.


Congressional Spending Bill Includes $20 Million for Endangered Wildlife

Earlier this week, we told you about Prince William’s efforts on behalf of the world’s rhinoceroses and other endangered creatures, which the illegal wildlife trade ...

In Box

Biomimetics: A Short History

Why imitating nature's greatest tricks is the future of engineering.

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    March 2015 Issue Cover