Environment

In 2002, San Francisco made a promise that it intends to keep: by 2020 the city will eliminate all waste that is neither recycled nor composted.

The Obama administration says it detained more than 50,000 unaccompanied minors trying to cross the border in the first half of this year.

Author Todd Miller discusses how defense contractors look to cash in on President Obama's expected $2 billion proposal in additional funding for border security.

The bodies of three Israeli teenagers who disappeared more than two weeks ago were found in the occupied Palestinian West Bank.

In terms of getting more people to use alternative transportation, the connection between bikes and public transportation is essential.

Like the United States, Brazil has a long way to go with its response to global warming.

Native peoples like the Mapuche lack constitutional recognition in Chile and have engaged in confrontation with the authorities.

Piketty's “Capital In the 21st Century” could ignite a new political conversation on the intertwining of caste and class, creating new kinds of movements against today's inheritance-based "US Gilded …

What happened when the Russian threat disappeared in 1989? Answer: everything continued much as before.

There's something lurking deep under the frozen Arctic Ocean, and if it gets released, it could spell disaster for our planet.