Environment

By the 14th day of pregnancy, the particles were almost impossible to find. Whatever the plastic had done to these mice, it had done before the pregnancy began, and something else was carrying the…

Researchers have published an index that scores what people get from the ocean in 143 coastal countries and used it to project how those returns change under two emissions scenarios. The paper…

Carbon dioxide sticks to desert soil minerals as they cool at night and comes back off as they warm through the day, an exchange that involves no living thing at all, according to a study published…

A meltwater river on Greenland's Petermann Ice Shelf cut its bed below sea level in most summers from 2014 to 2018, letting seawater run inland to form an estuary that broke its link to the ocean…

Thawing ground in northwest Arctic Alaska is releasing acid and dissolved metals into the rivers that drain it, and the chemical signal carries far downstream, according to a survey of six watersheds…

In 1903 the officer of the watch on a merchant ship read the barometer, wrote the number in the log, and thought no more about it. More than a century later that number, and hundreds of thousands…

A global analysis by researchers at Columbia University and the University of Notre Dame reports that rain makes the ocean absorb 13.6% more carbon dioxide than wind alone would drive into it,…

Run a climate model long enough and you can do things to a planet that nobody can do to this one. A team in British Columbia began by stripping every forest off a simulated Earth, leaving nothing on…

Lifeguards on night patrol saw an olive ridley sea turtle dig into the sand and lay eggs near Seal Beach in Southern California on Sept. 16, and a second turtle nest, possibly from the same animal,…

Surface warming has sped up in particular regions since 1970, and the speed-ups did not begin everywhere at once: their onset dates run from the 1980s to the 2010s. That is the finding of a study…

The National Snow and Ice Data Center announced that Arctic sea ice most likely reached its annual low on Sept. 12 at 4.60 million square kilometers, tying this year with 2008, 2010 and 2025 for the…

Ask when the hot season begins where you live and most people can name a month. Across much of the world that month has been sliding, and now it has a number on it. A team led by Wenfang Xu and Juxiu…