Seattle garbage collector Anousone Sadettanh empties a small residential garbage bin into his truck in 2014. It is now illegal to toss out food with the trash in the city. Residents will get warning tags for now; the city will start imposing fines in July.
A worker installs solar panels atop a government building in Lakewood, Colo. The industry has added more than 80,000 jobs since 2010, according to The Solar Foundation.
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Cruden ranks the Gulf oil spill as one of the most significant environmental disasters of our time. It "deserves ... all of our energy to make sure nothing like this ever happens again," he says.
The city of Des Moines, Iowa, sits on the Raccoon and Des Moines rivers. The city's water works says it will sue three neighboring counties for high nitrate levels in these waterways.
An excavator loads a truck with oil sands at the Suncor mine near the town of Fort McMurray in Alberta, Canada in 2009. Environmental groups that oppose oil sands mining have pointed to delayed and canceled projects as a sign of recent success.
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The IUCN says the Atlantic bluefin tuna is endangered. Its stocks have declined globally between 29 percent and 51 percent over the past 21 to 39 years, according to the conservation group.
Darlene Arviso is known as the water lady in Smith Lake, N.M., on the Navajo Nation. She delivers water to 250 people each month. Here, she fills buckets from her water truck.
Barotrauma can cause a fish's eyes to pop out of its head and its stomach to be pushed out of its mouth, according to Chris Lowe, a marine scientist at California State, Long Beach.