Newsletter www.sfchronicle.com Lake Tahoe's water clarity still murky - climate change, runoff cited as causes Lake Tahoe's water continues to show some of the murkiest levels on record, according to a new report from UC Davis.
Impacts thenarwhal.ca How Tr’ondëk Hwëch’in First Nation aims to revitalize critical salmon stocks in Yukon As the First Nation considers an egg incubator to increase the Klondike River's Chinook population, questions linger about the ideal conditions for spawn survival.
A controversial facility that would process plastic waste to be burned in steel mills has been cancelled
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals
