What would happen if the Keystone XL pipeline project did not go forward? This is the question that Fareed Zakaria, CNN host and TIME editor-at-lar...

While President Obama's focus on climate change is a welcome, albeit belated, shift, it remains to be seen whether he will match words with action. More and more environmental organizations and activists are prepared to keep the pressure on to ensure he does.

This past Pearl Harbor Day, December 7, the Sierra Club hosted a Google+ Hangout with Sierra Club executive director, Michael Brune, craigslist and cr...

The choice is ours. Do we want to continue to pollute the planet, kill ourselves and have no regard for anything wild, or will more people join the grassroots environmental movement and take a stand against corporations that put profits first?

Wildlife die offs are resulting not from the catastrophic climate change we may yet unleash, but from the much more modest climate disruption already underway.

This week a prominent climate-cynics site, Watt's Up With That, promoted a climate-misinformation iPhone app that contains far more damaging Orwellian language than the Sierra Club's coal industry spoof.