Episode 271
If we overshoot 1.5 degrees of global warming, there is no going back. The hope has long been that if – and when – we blow past our climate goals, we can later reverse the damage. But there鈥檚 no guarantee we can bring temperatures back down, according to a paper published in Nature this week. The report suggests it would take decades to get back to normal – and some of the more devastating consequences will be irreversible. Hear from a variety of experts on the problem of climate overshoot.
Living bacteria have been discovered in 2-billion-year-old rocks, making them very, very old. Find out how these primitive microbes survived for so long – and why this discovery is exciting news for the quest to find life on other planets.
Do you think you鈥檒l make it to the ripe old age of 100? Human life expectancy has steadily been going up and up – but now it鈥檚 grinding to a halt, looking unlikely to exceed 84 for men and 90 for women. What鈥檚 going on? Is there a limit to human ageing, or is something else at play?
Hurricane Milton has caused immense damage across Florida and the death toll is rising. As it draws power from the hot oceans, there鈥檚 good reason to believe climate change is to blame for its rapid intensification. Hot on the heels of Hurricane Helene, why are extreme weather conditions picking up again so quickly?
Hosts Rowan Hooper and Chelsea Whyte discuss with guests Michael Le Page, Carl-Friedrich Schleussner, Joeri Rogelj, Wim Carton, Sam Wong, Carissa Wong and James Dinneen.
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