Global Warming
The Colorado River Is Shrinking as Temperatures Rise
River flow could drop by 19 to 31 percent if carbon emissions continues at their current pace
The 2010s Were the Hottest Decade on Record. What Happens Next?
The news hasn’t come as a surprise to climate scientists, but all urge immediate action
The Top Ten Scientific Discoveries of the Decade
Breakthroughs include measuring the true nature of the universe, finding new species of human ancestors, and unlocking new ways to fight disease
The World’s Oceans Are Being Starved of Oxygen
An alarming report found that there are 700 marine sites impacted by low oxygen levels—up from 45 in the 1960s
Scientists Around the World Declare 'Climate Emergency'
More than 11,000 signatories to a new research paper argue that we need new ways to measure the impacts of a changing climate on human society
Massive Citizen Science Effort Seeks to Survey the Entire Great Barrier Reef
Only about 1,000 of 3,000 individual reefs have been documented, but the Great Reef Census hopes to fill in the gaps
Coral Reefs Face the Dual Threats of Ocean Acidification and Erosion
As coral tissues die off, the exposed calcified skeleton becomes vulnerable to organisms that eat away at the dying reefs
Researchers Discover the Tallest Known Tree in the Amazon
Satellite images and a trek into the rainforest reveal a group of trees over 80 meters, or about 260 feet, and one as tall as 88.5 meters
A Warming Climate Threatens Archaeological Sites in Greenland
As temperatures rise and ice melts, Norse and Inuit artifacts and human remains decompose more rapidly
Smithsonian Scientists Are Using Ginkgo Leaves to Study Climate Change—They Need Your Help
Citizen scientists can submit leaf samples from their hometowns through the end of August
The Arctic Is Experiencing Its Worst Wildfire Season on Record
Arctic infernos released 50 megatons of carbon dioxide—the equivalent of Sweden’s total annual emissions—into the atmosphere in June alone
Modern Climate Change Is the Only Worldwide Warming Event of the Past 2,000 Years
New research finds that previous periods of warming and cooling driven by natural causes were regional shifts in temperature rather than global events
The World's Northernmost Permanent Settlement Set a Record High Temperature
The military installation of Alert on Ellesmere Island, 600 miles from the North Pole, hit 69.8 degrees Fahrenheit last week
Consider the Nature of Perception at Olafur Eliasson's New Show
Tate Modern retrospective features some 40 works pulled from the artist's decades-long career
Record-Breaking Heat in Alaska Wreaks Havoc on Communities and Ecosystems
Abnormally high temperatures have led to unsafe travel conditions, uncertain ecological futures and even multiple deaths
Carbon Dioxide Levels Reach Highest Point in Human History
Last Friday, carbon concentrations at Hawaii’s Mauna Loa Observatory topped 415 ppm
The Space Station Just Got a New Cutting-Edge Carbon Mapper
The OCO-3 instrument will watch Earth's carbon levels change throughout the day
One Million Species at Risk of Extinction, Threatening Human Communities Around the World, U.N. Report Warns
A global assessment compiled by hundreds of scientists found that humans are inflicting staggering damage on the world’s biodiversity
Ocean-Dwelling Species Are Disappearing Twice as Quickly as Land Animals
Researchers point toward marine creatures' inability to adapt to changing water temperatures, lack of adequate shelter
CO2 Levels Are as High as They Were Three Million Years Ago
The last time Earth had this much carbon dioxide in the atmosphere, trees were growing at the South Pole
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