The Washington Post interviews Ukrainian teenagers who narrowly escaped Russia, and explains how their testimony could be used to prove Putin committed war crimes.

The BBC reports on how world leaders at the U.N. climate summit are promising to tackle the role of food and agriculture in climate change. And Grist asks historians, economists, and food-policy experts what would happen if everyone on Earth stopped eating meat tomorrow.

The Atlantic argues for making more friends outside of your age group.

NerdCast 419 - Aquecimento Global: Fato ou Mito?