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There’s more to thunderclouds than rain and lightning. Along with visible light emissions, thunderclouds can produce intense bursts of gamma rays, the most energetic form of light, that last for millionths of a second. 

A mysterious, globally observed and unprecedented 9-day-long seismic signal in September 2023 was caused by a massive landslide in Greenland. 

Arctic sea ice retreated to near-historic lows in the Northern Hemisphere this summer, likely melting to its minimum extent for the year on Sept.11, 2024, according to researchers at NASA and the National Snow and Ice Data Center (NSIDC). 

As Florida and other southeastern states were reeling from Hurricane Helene’s effects in early October 2024, another tropical threat brewed over the Gulf of Mexico.

MIT researchers have some good environmental news: Mercury emissions from human activity have been declining over the past two decades, despite global emissions inventories that indicate otherwise.