By Sierra Club

NOAA has prepared the 12th Arctic Report Card with the following findings: Arctic conditions in 2017 provide an excellent example of the...

The future is looking bright for solar! With four-junction solar cells achieving 46% conversion efficiency, the world can harness more of...

A study by the National Heart and Lung Institute and MRC-PHE Centre for Environment and Health,Imperial College, London, UK looked at...

President Donald Trump has done something, yet again, that most of us would not have imagined. Mr. Trump withdrew the U.S. from the Paris...

I believe in environmental activism, including organizations such as the Sierra Club, but is there a single energy source that the Sierra...