 San Francisco Chronicle (blog) |
Where and why smog hits Sequoia National Park
San Francisco Chronicle (blog) Sequoia National Park in the south Sierra Nevada has the worst air quality of any national park in America, according to a report this past weekend in a story that stunned a lot of people. For those, like me, who love the place and have visited many … Sequoia National Park smog hurting trees Sequoia National Park: California Smog Threatens Ancient Trees |