Earth's atmosphere has changed profoundly since the first Earth Day
Atmospheric and climate scientists call the planet's carbon dioxide rise since the first Earth Day unparalleled in at least 800,000 years.
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Atmospheric and climate scientists call the planet's carbon dioxide rise since the first Earth Day unparalleled in at least 800,000 years.
Texas scientists: Power outages show why Texas must prepare for climate change A man walks home with a case of drinking water distributed at the Literacy Achieves nonprofit in Vickery Meadow to nearby residents living without water after a winter storm brought snow and continued freezing temperatures to North Texas on Feb. 18.(Smiley N. Pool / Staff Photographer) By Ginny Catania and Katharine Hayhoe 1:30 AM on Feb 24, 2021 CST . Last week, ice, snow and record-breaking cold left millions across Texas without electricity, heat or water, and with homes damaged or destroyed. Roughly 4 million h...