Nearly 23 million acres burned from 1982 to 2020. But almost half of that occurred in 2019 and 2020, and the region may be near a threshold beyond which extreme fires become more common.
Australia’s alpine region warmed for about 600 years. What makes this climate change particularly interesting is that it bears striking similarity to today.
Previous periods of rapid warming millions of years ago drastically altered plants and forests on Earth. Now, scientists see the beginnings of a more sudden, disruptive rearrangement of the world's flora.
The National Oceanic and Atmospheric Administration is about to add more recent data to its definition of ‘normal’ temperatures, which means additional hot days won’t sound so warm by comparison.