•An unprecedented March heatwave in the US Southwest, including a 110°F reading in Arizona, is shattering records and is linked to human-caused climate change.
•Experts warn that extreme weather events are becoming more frequent, intense, and occurring at abnormal times and places, posing increased danger.
•A World Weather Attribution report states that the March heat would have been "virtually impossible" without human-induced climate change, adding 4.7-7.2°F to temperatures.
•The area of the US affected by extreme weather has doubled in 20 years, with 77% more hot weather records broken now than in the 1970s.
•Billion-dollar weather disasters are twice as high as 10 years ago, indicating a breakdown of historical weather assumptions and increasing risks.