The 38 degree Celsius (100.4 Fahrenheit) reading in Russian Siberia in June of last year should "sound alarm bells about our changing climate," the World Meteorological Organization says.
The link between tornadoes, like the ones that hit Kentucky over the weekend, and climate change isn't as clear as it is for other extreme weather events, though scientists say the clues are there.
British Columbia experienced major disasters this year that scientists say show the intensifying effects of climate change. Many of those affected by fires and floods took shelter at Camp Hope.
The weather caused damage, but there were no storm-related deaths as of Monday afternoon. Officials warned that the storm, which began over the weekend, remained a threat.
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 unusually high and low tides will be affecting coastal communities over the weekend. Scientists are calling on residents and visitors to help document the phenomenon.
Former GOP congressman Bob Inglis used to believe climate change wasn't real. But after a candid conversation with his children and a hard look at the evidence, he began to change his mind.
Adults "can see us as serious or they can see us as a joke," one of the kids says. "A lawsuit is not a joke," her brother adds. The European Court of Human Rights has fast-tracked their 2020 lawsuit.
A study of trees in dozens of cities found that urban heat and light pollution are pushing urban trees to sprout leaves earlier than trees in more rural areas.
The new infrastructure legislation makes money available to remove potentially poisonous pipes around the country. In Flint, Mich., mistrust runs deeper than the plumbing does.
Reverend Billy, the flamboyant "altar-ego" of New York performance artist William Talen, celebrates 20 years of crusading with his Stop Shopping Choir.
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.
The city has experienced more frequent and severe flooding due to climate change and an aging stormwater system. Detroiters hope federal infrastructure funding eases the problem.
The largest water utility in Iowa is sounding alarms that it won't be able to keep up with cleaning the water for more than 600,000 customers as extreme weather swings become more common.