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From January through September, the average global temperature was 1.39°F above the 20th century average of 57.5°F, making it the fourth warmest year-to-date on record, and only 0.43°F lower than the record-high set in 2016 for the same period, the National Oceanic and Atmospheric Administration ( NOAA) announced Wednesday. NOAA's global temperature dataset record dates back to 1880.
The incredibly precise Advanced Topographic Laser Altimeter System (ATLAS) is the main feature of the Ice, Cloud and land Elevation Satellite-2 (ICESat-2) that successfully launched into space from the Vandenberg Air Force Base in California on Sept. 15.
By Julia Conley
With a first-of-its-kind satellite study, NASA scientists have identified more than 30 parts of the globe where the depletion of freshwater has been most dramatic, largely due to human activity and the climate crisis.
Parts of India, the Middle East, Australia, the Arctic, Antarctica, and California were among the places pointed out in the new study, published in Nature on Wednesday, as areas where an overuse of groundwater resources from irrigation, agricultural, and industry projects, as well as the loss of glaciers and ice sheets, have led to water shortages.
By Jessica Corbett
As the Trump administration charges forward with its war on science by canceling a "crucial" carbon monitoring system at NASA, scientists and climate experts are sounding alarms over atmospheric concentrations of carbon dioxide (CO2) that just surpassed a "troubling" threshold for the first time in human history.
By Alex Kirby
The Gulf Stream is slowing, the North Atlantic is cooling. An international scientific study has found new and harder evidence that one of the planet's key heat pumps, the currents which exchange warmth between the tropics and the Arctic, are weaker today than at any time in the last thousand years.
For centuries, human beings have wondered about the possibility of other Earths orbiting distant stars. Perhaps some of these alien worlds would harbor strange forms of life or have unique and telling histories or futures. But it was only in 1995 that astronomers spotted the first planets orbiting sunlike stars outside of our solar system.
By Mariel Borowitz
Scientists and policymakers need satellite data to understand and address climate change. Yet data from more than half of unclassified Earth-observing satellites is restricted in some way, rather than shared openly.
When governments restrict who can access data, or limit how people can use or redistribute it, that slows the progress of science. Now, as U.S. climate funding is under threat, it's more important than ever to ensure that researchers and others make the most of the collected data.