Roger Thurow explains how the Green Revolution helped end hunger in most of the world, but stopped short of Africa.

A roundup of links to local stories of global importance from around the world.

A roundup of links to local stories of global importance from around the world.

A roundup of links to local stories of global importance from around the world.

A roundup of links to local stories of global importance from around the world.

Dhaka-based photographer Jessica Lim sent these photos of the scene unfolding just outside her door.

A roundup of links to local stories of global importance from around the world.

We're used to thinking of the world as completely divided between rich and poor -- and to a large extent that's true. But because of the ways humans have damaged the environment, we face not only an increasingly grim future, but also an increasingly shared one, where Latvia and Kenya will be dealing with the same kinds of problems as Louisiana and Kentucky.