Climate

Report: NHL is promoting hockey rink refrigerant with 'super-greenhouse gas'
A report from the nonprofit Environmental Investigation Agency says the National Hockey League and chemical company Chemours are teaming up to expand the use of Opteon, a refrigerant that is “1,700 to 3,100 times more potent than carbon dioxide.”
Carbon trading gets a green light from the U.N., and Brazil hopes to earn billions
Carbon offsets got a big boost from November's U.N. climate summit. New rules could make it easier for companies to pay for carbon-cutting projects in other countries, rather than doing it themselves.
The 2021 Atlantic hurricane season ends as the third most active year ever
Hurricane Ida alone caused more than $60 billion in damages, making it one of the five most costly U.S. hurricanes on record since 1980. Forecasters ran out of names for a record second year in a row.
The biggest problem facing the U.S. electric grid isn't demand. It's climate change
The infrastructure package sets aside billions for the power grid. That may not be enough to reshape a system not designed for the extreme weather brought about by a warming planet.
Study: Warmer summers worsen tick infestations for U.S. moose
Scientists with Michigan Technological University say higher summer temperatures are quickening the development of tick eggs and boosting the number that hatch. Moose can lose much of their bristly fur rubbing against trees to get rid of ticks. Infestation also makes them anemic and less able to reproduce.
Recent wildfires have killed up to a fifth of all giant sequoia trees
Lightning-sparked wildfires killed thousands of giant sequoias this year, leading to a staggering two-year death toll that accounts for up to nearly a fifth of Earth's largest trees, officials said Friday.
Giving up gas-powered cars was a fringe idea. It's now on its way to reality
In just a few years, phasing out gas-powered cars has gone from fringe idea to mainstream policy proposal. It's still a long way from being reality, but the sense of urgency is accelerating.