Natural disasters are just that - natural.
But their destruction has a profound impact on humans and where they live. CBS News reports on the latest space missions. The Los Angeles area remains the worst for dirty air and far more of us are breathing the bad stuff than last year, reports the American Lung Association. Weary Of The Floods Meteorologists say the Mississippi will crest again in some flood-hit areas, but don't expect any serious threat to riverfront communities. See flood images.