With record low water levels that threaten hydropower generation, the federal government has decided to retain water in Lake Powell and release less to Lake Mead and beyond. But the Colorado River basin still faces a long-term water shortage that imperils the future of cities and farms in the Southwest. 

Also, the sea ice that Inuit people rely on for travel and hunting is growing dangerously thin. Now, sensors and GPS technology along with Inuit traditional knowledge are helping to measure sea ice in real time.

And as civilization hurtles toward climate disaster, the world continues to rely heavily on fossil fuels and drag its heels on transitioning to clean energy. Harvard University Professor of the History of Science Naomi Oreskes joins us to note climate change science is unequivocal and why the paths to solving the climate crisis are political and social.

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