Climate change has increased pollen counts and the length of the pollen season, trends that are expected to continue through mid-century.
If global warming continues unabated, only 6 of the 19 previous host cities could host the Winter Games again by the 2080s.
For the first time in 20 years, the U.S. is on track to set more record lows than record highs in 2013.
This season was the least active since 1982 and the sixth-quietest since 1950.
The peak of hurricane & tropical storm activity doesn’t usually come until Sept. 10. And, on average, there tend to be significantly more storms after the peak than before it.
The current level of understanding makes it hard to say for certain how climate change will influence Atlantic hurricanes in the future.
As the graphic shows, people cause most wildfires. But lightning-ignited fires burn by far the most territory.
Record highs have outpaced record lows by a bigger margin each decade since the 1960s.