Warming Trends: Putting Citizen Scientists to Work, Assuring Climate-Depressed Kids That the Future is Bright, and Deploying Solar-Hydrogen Generators

SCIENCE Is There Snow in the Trees?  A group of researchers interested in analyzing thousands of images of mountain trees turned to an app for citizen scientists during the Covid-19 pandemic and asked a simple question: Is there snow on any of the branches?  The respondents then used their copious fre...