People worldwide poured into the streets Friday for a youth-led climate strike that aimed to pressure global governments to step up their efforts to tackle the planetary emergency at a key United Nations summit scheduled to start Monday. “Striking is not a choice we relish; we do it because we see no other options.” —Youth […]
First African evidence to support hypothesis of an asteroid impact that contributed to the extinction of large animals 12 800 years ago. Image: Map showing simular platuinum spikes throughout the globe. Credit: Francis Thackeray | Wit University A team of scientists from South Africa has discovered evidence partially supporting a hypothesis that Earth was struck […]
Photo: This is a 2009 phytoplankton bloom in the Bering Sea. Cloud seed bacteria may feed on phytoplankton. CREDIT: NASA, Jeff Schmaltz, MODIS Rapid Response Team, Goddard Space Flight Center WASHINGTON – New research finds Arctic Ocean currents and storms are moving bacteria from ocean algae blooms into the atmosphere where the particles help clouds […]
NOAA scientist Bryan Thomas stands outside the Barrow Atmospheric Baseline Observatory. How does the buildup of carbon dioxide in the atmosphere measured at Hawai‘i’s Mauna Loa volcano over the last six decades compare with the air above Alaska? During a recent spring trip to Utqiaġvik, I had a chance to find out by visiting the […]