A jet stream splits the US, bringing winter to one half (40 inches of snow in Montana) and record-breaking heat (98°F in Washington, DC) to the other—a phenomenon that climate change may be making more common.

Trump talked about fortifying the border wall with a trench filled with water and stocked with snakes or alligators so frequently that his aides sought out a cost estimate for implementing it.

Dolphins are swimming, romancing, making babies in the Potomac.

Banks are shielding themselves from climate risk by shifting mortgages in flood zones over to the federal government.

Geologists find a lost continent buried under southern Europe.

A tree so old that its rings contain a record of a reversal of Earth's magnetic field is discovered in New Zealand.

Groundwater pumping is causing rivers and streams around the world to drop dramatically. 

A three-year study finds the biggest source of microplastics in California’s coastal waters is car tires. 

A single plastic teabag releases more microplastics into a teacup than the average person consumes in a year.

In moderation, eating red meat may not be bad for you, but it’s still enabling climate change and water pollution . . . which is bad for you. (Also: the study's lead author has close ties to the International Life Sciences Institute, an agribusiness trade group that has been accused by the World Health Organization of trying to undermine public health information.)

The first wolf spotted in Belgium for more than 100 years is missing, feared killed by hunters.

After months of pressure from young climate activists, the Royal Shakespeare Company will no longer take donations from BP. 

Eighteen pine martens, nearly hunted to extinction in the UK, have been released in a secret location in England to serve as gray squirrel assassins.

The NPS acting regional director in Utah will allow visitors to ride ATVs in Zion, Canyonlands, Arches, Bryce Canyon, and Capitol Reef National Parks.

The Trump administration is disbanding two federal advisory boards focused on protecting marine life and battling invasive species.

Trump’s EPA was supposed to issue the first-ever US carbon dioxide emissions rules for airplanes by September 30. It did not do this. 

An outbreak of mosquito-borne Eastern equine encephalitis in southern New England is connected to new weather patterns brought by climate change. 

The nation's first gas station to convert fully to electric vehicle charging is open for business.

A labor judge rules that electric carmaker Tesla interfered with union organizing and must read a notice to workers explaining their rights. 

Aurelia Skipwith, Trump’s nominee for head of the US Fish and Wildlife Service, used to work for Monsanto and is engaged to an ag lobbyist working to eliminate protections for Chinook salmon.

A bear absconds with lobster roll in Sandwich, New Hampshire.

China grew two cotton leaves on the moon.