His staff helpfully wrote a new voice-over for their feel-good spots.

Readers respond to our report on micro-living.

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.

New research finds that religious countries and US states produce fewer patents per capita.

In Naomi Klein's new book, she argues that capitalism is the root cause of climate change.

Climate change is already in motion, with potential irreversible consequences such as 23 feet of sea level rise.

Kansas Republican Tim Huelskamp, a leader of the debt ceiling showdown, takes friendly fire.

Much of ALEC’s agenda for its latest meeting returned to a focus on promoting the extraction and production of fossil fuels while putting up roadblocks for renewable energy initiatives where it can.

Earthquakes used to be rare in Oklahoma. Now it gets hundreds every year.

A rural town in upstate New York just won a major victory against oil and gas companies hoping to frack on its residents' land.