climate11
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A New Primer on Climate Change Science
A new primer lays out the basics of climate science in compact form.
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Potentially Fatal Combinations of Humidity and Heat Are Emerging Across the Globe
A new study has identified thousands of incidents of previously rare or unprecedented extreme heat/humidity combinations in parts of Asia, Africa, Australia, South America and North America, including in the U.S. Gulf Coast region.
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Interactive Map: Daily Maximum Wet-Bulb Temperature
View an interactive world map that shows where extreme, sometimes potentially fatal, mixtures of heat and humidity are emerging across the globe.
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Shrinking Snowcaps Fuel Harmful Algal Blooms in Arabian Sea
Driven by changing climate, a uniquely resilient organism is taking over the Arabian Sea, disrupting food chains, fisheries, oil refineries and water desalination plants.
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How Catastrophic Floods May Have Carved Greenland’s ‘Grand Canyon’
In a new study, researchers propose a mechanism for how mega-canyons under northern Greenland’s ice sheet formed: from a series of catastrophic outburst floods that suddenly and repeatedly drained lakes of meltwater.
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Climate-Driven Megadrought Is Emerging in Western U.S., Says Study
Scientists say a long-feared megadrought, worse than anything in recorded history, seems to be starting up in southwestern North America.
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Ozone Treaty Stopped Jet-Stream Drift in Southern Hemisphere
Researchers long ago predicted that the 1987 Montreal Protocol, banning ozone-depleting gases, would reverse a worrisome trend in Southern Hemisphere winds. A new study shows they were right.
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Video: Launch of NextGen Climate Forecasting System in Colombia
In August of 2019, Colombia’s national meteorological service, IDEAM, launched a state-of-the-art climate forecasting system called NextGen.
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Rain, More Than Wind, Led to Massive Toppling of Trees in Hurricane Maria, Says Study
The surprising finding suggests that future hurricanes stoked by warming climate may be even more destructive to forests than scientists have already projected.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
