Friday's energy & climate stories


Destructive wildfires spawn rare fire tornado in Calif., foul air quality in U.S., Canada

The seas are not alright: "Unusual warmth" hits nearly all of world's oceans

Exclusive: Climate risk data provider First Street raises $21 million

Analysts see Harris walking "energy tightrope"

A reality check on the greenest Olympic Games

Dozens of wildfires in Pacific Northwest and Canada hit U.S. air quality