Dominion Energy cuts a $200 million deal with Dairy Farmers of America to extract methane gas from cow manure.

A self-driving truck delivers butter from California to Pennsylvania in three days.

Brushfires in New South Wales, Australia, burn more than 5.3 million acres, three times more than burned in all of California in its terrible 2018 fire season. 

Greenland’s ice sheet is melting far faster than previously thought, at a rate seven times that of the 1990s. Thawing permafrost may now be making the Arctic a net emitter of carbon dioxide: as much as 2.2 billion tons per year. 

Oxygen levels in the oceans are dropping—in some tropical areas by as much as 40 percent in the past 50 years.

Time magazine makes 16-year-old climate activist Greta Thunberg Person of the Year. Brazil’s president, Jair Bolsonaro, calls her a "brat." President Trump mocks her. Thunberg responds. 

Trump is opposed to energy-efficient lightbulbs and water-saving appliances: “People are flushing toilets 10 times, 15 times, as opposed to once." 

Donald Trump Jr. kills an endangered argali bighorn sheep in Mongolia. After he meets with the country’s president, he is issued a retroactive hunting permit.  

Chevron writes down at least $10 billion in assets, mostly gas holdings. Nationwide, gas is in huge oversupply. Los Angeles plans to convert a gas-burning power plant to burn hydrogen instead. 

A New York judge rules that ExxonMobil did not mislead investors about the risks to its business that might arise from climate change.

A federal court says that it’s OK to call veggie burgers “burgers” in Arkansas. 

President Trump has appointed a third of the active judges on the 9th Circuit Court of Appeals, which rules on a large number of environmental issues, particularly pertaining to public lands. 

The House of Representatives okays the Trump administration's US-Mexico-Canada Agreement (USMCA), a trade deal that is a successor to NAFTA. Many core environmental issues remain unresolved. 

A woman caught by a snowstorm in the Pyrenees mountains makes a full recovery after surviving six hours of cardiac arrest. The severe hypothermia she suffered protected her brain and other organs until doctors revived her.

Someone is putting tiny cowboy hats on pigeons in Las Vegas.