We can’t tackle climate change while fracking and burning more oil and gas. Big media outlets that refuse to make this simple connection are the new climate denialists.

EPA data shows that some states create far more emissions than others, and a handful of energy-generating states bear the negative effects of our fossil fuel-dependent economy.

Micro-homes could provide a place for those experiencing homelessness to find stability and, perhaps, to live permanently.

Watch Bill's interviews with a range of leaders, thinkers and doers on the front lines.

For some, the damaging effects of global warming are happening now, and they need help from wealthy countries responsible for decades of greenhouse gas pollution.

"We look at our children and we wonder how they will know themselves or their culture should we lose our islands.”

The money keeps flowing - not only to politicians but also to efforts aimed at undermining climate science.

Demonstrators Monday sought to link Wall Street's casino capitalism to climate change.

The new short, narrated by Morgan Freeman, premiered before world leaders on Tuesday at the UN climate change summit. Watch it here, along with an interview with the filmmakers.

Days ahead of a UN climate summit, demonstrators in New York City urged world leaders to confront global warming.