The ozone paradox: a growing cost of a warmer atmosphere
Mexico City’s air is getting cleaner, but ozone levels near the ground aren’t decreasing as fast as expected. Climate change is partly to blame.

Summer heat is becoming more deadly for the elderly in South Texas with record-breaking temperatures and rising costs for electricity.
It's a grim moment for what was a booming industry in the state, but EV makers are still forging ahead.
This summer's weather has been a vivid reminder that climate disruption is bringing cycles of dry spells, high heat, and heavy rains to the Chicago region.
Tackling air pollution and climate change together could save lives and boost economies, UN reports show.
NextEra Energy is one of three U.S. energy companies to win backing from the Department of Energy to revive closed nuclear plants to meet soaring power demand.
