Terry Gross

"We've had time to act — and essentially we haven't acted," says science journalist Michael Lemonick. He describes the threats posed by climate change in his new book, Global Weirdness: Severe Storms, Deadly Heat Waves, Relentless Drought, Rising Seas, and the Weather of the Future.

In Peter Heller's debut novel, The Dog Stars, a man named Hig survives a superflu that kills most of humanity. Heller, a travel and adventure writer, says that when his novel took a post-apocalyptic turn, he found himself relying on his real-life scrapes and survival skills.

Writer and humorist David Rakoff, who died Thursday at the age of 47, wrote with a perfect balance of wit and gravity about the cancer that would ultimately take his life. Fresh Air remembers Rakoff with excerpts from two interviews in 2001 and 2010.