"President Vladimir Putin said on Tuesday Russia wanted to retain its “superiority” in the Arctic and that it planned to renew its icebreaker fleet to bolster its presence there."

"Scientists at two of America's biggest automakers knew as early as the 1960s that car emissions caused climate change, a monthslong investigation by E&E News has found."

"Rich countries are sending millions of older, dirtier vehicles abroad, in a trade that’s largely unregulated, even as they mandate cleaner cars at home."

"Automakers are gearing up for tough new vehicle emissions rules and policies favoring electric vehicles if Democratic presidential candidate Joe Biden wins the White House."

"A group of 11 states and the District of Columbia on Monday urged the U.S. Environmental Protection Agency (EPA) to strengthen the first-ever proposed standards regulating greenhouse gas emissions from airplanes and other aircraft."

"Nearly 200 countries are nearing a legally-binding agreement to reduce pollution from the world’s cargo ships, a step forward after two years of talks on how the industry should clean up its emissions."

"The federal government is raising legal and practical questions about a recent California executive order attempting to end sales of gas-powered cars in the state by 2035."

"California will ban the sale of new gasoline-powered cars to combat climate change starting in 2035, a move that could help reshape the nation’s automobile market and its output of greenhouse gases."

"An international team of prominent scientists has published what they say is the most comprehensive study to date calculating the complex climate impact of aviation emissions, reaffirming that contrail clouds produce more warming than carbon dioxide."