Green Planet Monitor

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The geology of cities — built out of stuff mined from the ground. That’s where all cities will end up, broken down and fossilized. The GPM speaks with a geologist who gazes into the future. Some human-made molecules won’t break down either. Forever chemicals, they’re called, and they’re everywhere. In non-stick cookware, cosmetics and clothing. They last forever, and they’re toxic. On a happier note — the human microbiome. All those bacteria living on us and in us, delivering crucial services. Nothing more amazing than the bacteria in the gut of a pregnant woman, steering healthy fetal development.