Pockets of oil lurking under boulders look as if they had just spilled 11 days ago.
Never has deadly marine debris looked so beautiful.
The old Buckner Building in Whittier is full of asbestos, jagged rubbish and collapsed walls – in other words, a perfect place to do a little skiing.
Workers do well on the east and west coasts.
The worst culprits aren't necessarily the ones you'd expect.
Wet shelters may be connected to more deaths than we'd like, but they offer a last-resort home to the chronically homeless
A survey of 55 major U.S. cities shows big gains in many places, but plenty of regional variation
Which major U.S. cities provide the best, and worst, mix of playgrounds for their youngest residents?