From the Best of What On Earth – Warming waters are threatening an irreplaceable species for Indigenous people in Canada’s north. But First Nations leaders in Yukon have become leaders in protecting and demanding better care for the Chinook salmon – a vital part of their traditional diets and culture. This story is a part of the Overheated series, put together with CBC Radio’s Quirks & Quarks and White Coat, Black Art to examine how heat is changing lives.

The Salinas Grandes in northern Argentina is home to large deposits of lithium, a key mineral in the fight against climate change. But Indigenous leaders in the region say mining the mineral could harm their water supply. We hear how communities are pushing back against potential lithium extraction. And, how new methods of mining are being tested - ways of extracting lithium that aren't so damaging to the local environment.

In the thick of the deadly flooding along the Guadalupe River, questions emerged about what could have been done differently. Republican politicians are pushing back vigorously, calling accountability questions “partisan games.” But one climate expert in the state says Texas needs to ask the tough questions right now before the next natural disaster hits – questions about the political power of fossil fuel industries and what that means for how politicians talk about, and prepare for climate change.