Another unaccounted for climate variable: Airplanes make existing clouds brighter

From STOCKHOLM UNIVERSITY and the department of negative feedbacks comes this surprising finding that says not only do contrails add reflectivity for incoming solar radiation, they also increase reflectivity for…

Climate and Human Civilization for the Past 4,000 Years

Guest essay by Andy May The Holocene Thermal Optimum ended at different times in different parts of the world, but it had ended everywhere by 4,000 BP (BP here means…

New AGU study negates the climate 'methane emergency' in Alaska

One of the most “out there” climate activist groups is the Arctic Methane Emergency Group, a collection of luminary scientists who are convinced we are on a one-way trip to…

The unbearable lightness of polar bear 'climate science'

From the “Emily Litella” department (never mind) and Zoologist Dr. Susan Crockford, comes yet another hilarious take-down of attempts to link polar bears and climate change last month. Turns out…

Environmental Conflict Goes Nuclear – a civil war erupts over CO2 reduction strategy

After yesterday’s announcement that Diablo Canyon nuclear power plant would close after a back room deal was forged between PG&E and environmental groups, a schism has developed By Robert Bradley…

An interesting and unique graph that ties ENSO, global temperature and other climate variables together

Yesterday, WUWT covered the sharp drop in global temperatures that followed the peak of the 2015/16 El Niño. That caught the interest of John B from Toronto, and he writes…