If Joe Biden wins the presidency, his EPA chief could be a clean air champion from California who has fought President Donald Trump on automobile pollution or an environmental justice activist from Mississippi.

Bayer AG’s Monsanto, already on the hook for multibillion-dollar claims over the Roundup weedkiller, lost a ruling at France’s top court in a case filed by a farmer exposed to another herbicide.

The Department of Homeland Security allegedly failed to consider the “potentially severe” environmental and health impacts when it authorized the use of tear gas, pepper balls, and other chemical munitions to quell protests in Portland against police violence and systemic racism, according to a lawsuit filed in an Oregon federal court.

The series of mergers reshaping the beleaguered U.S. shale oil industry accelerated Tuesday when Pioneer Natural Resources Co. agreed to buy Parsley Energy Inc. for $4.5 billion in stock, creating one of the largest producers in the Permian Basin.

Avangrid Inc., the U.S. arm of Iberdrola SA, agreed to buy PNM Resources Inc. of New Mexico for $4.3 billion, strengthening the Spanish utility giant’s position as a global giant in an industry that’s being transformed.

Australians’ love of rooftop solar drove daytime demand for power from the grid to record lows in three states in the third quarter, the market operator said Thursday.

A group of Zambian women and children filed a suit against Anglo American Plc in South Africa, alleging the mining company caused widespread lead poisoning from a mine it owned until 1974 in the northern city of Kabwe.

Orange and yellow pixels flash over American drilling heartlands around the Gulf Coast, New Mexico, and Pennsylvania. Dark red stretches across Middle East and China, while disturbing dots of color pop up around Greenland’s coast. This is the dangerous world of atmospheric methane emissions, one of the most powerful drivers of global warning—and it’s visible to the public for the first time.

European Union governments won’t make a decision this week on a more aggressive emissions-reduction target for 2030, highlighting persistent divisions within the bloc over the pace of transition to a low-carbon economy.

Developing electric-vehicle charging stations can take months, even years, to complete, beguiling governments keen to slash transportation emissions. But a California-based company says it can cut the installation time down to as little as four minutes. The key: the stations will be off-grid.