Thousands gathered in Washington February 17 to urge the President to move on climate change and to protest the Keystone XL pipeline.

Most opinion writers back President Obama’s State of the Union remarks on climate change, but many point to a dysfunctional Congress as major impediment.

Some of the largest and most well-known science organizations are not signers of a letter to the President calling for a ‘national summit’ on climate change. Conspicuous omissions … but why?

Media across the U.S. and beyond spent reams and gigabytes of digital space reporting and assessing — upwards, downwards, and sideways — President Obama’s Inaugural Address comments on climate change.

Obama’s inauguration day climate remarks reflect the President’s ability to ‘speak softly’ yet firmly on the climate challenge. Still to be determined: just how big a stick he’ll wield in moving forward.

Texas’s state climatologist suggests ‘hierarchy of credibility’ could help public sort out competing climate science claims.

Learning the ABCs of climate change requires more than the right science, educators at the AGU meeting in San Francisco say. New teaching methods, better understanding of science are also needed.