News

When it comes to drought in the West, we ain’t seen nothin’ yet. That’s the conclusion from a new study that links an increasing risk of decades-long drought episodes in the western United States to human-induced climate change. The study predicts drought severity outside the bounds of what’s thought to have occurred over the past 1,000 years, based on local tree-ring records.  Read More

Last week, scientists measured an average concentration of atmospheric carbon dioxide of 400 parts per million for the first time in human existence. This hour, Kathleen Dunn is joined by a climate scientist about what these levels mean for the future of the planet. Read More