"Natural disasters can be dramatic — barreling hurricanes, building-toppling tornadoes — but heat is more deadly. Chicago learned that the hard way in 1995. That July, a weeklong heat wave that hit 106 degrees Fahrenheit (41 degrees Celsius) killed more than 700 people."

"Basements and train tunnels constantly leak heat, causing the land to sink and straining building foundations. Scientists call it “underground climate change.”"

"As grizzlies recover, they’re no longer content to roam within the boundaries we’ve contrived for them."

"A humble lake in a Canadian suburb may soon become the symbolic starting point for a radical new chapter in Earth’s official history: the Anthropocene, or the age of humans."

"The United States is set to use more natural gas to generate electricity than ever before this summer as extreme heat sends demand for air conditioning skyrocketing."

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"This week’s flooding in Vermont, in which heavy rainfall caused destruction even miles from any river, is evidence of an especially dangerous climate threat: Catastrophic flooding can increasingly happen anywhere, with almost no warning. And the United States, experts warn, is nowhere close to ready for that threat."