In Taiwan, businesses and residents have been learning to adapt to life with less water. The island country is coping with its worst drought in decades.
In polluted Pittsburgh, a new device from a local university helps residents assess indoor air. It's not the only monitor on the market — but is the only one available to borrow from a public library.
Workers continue to clean the coastline near Santa Barbara, where some 105,000 gallons of crude oil were spilled. Several pelicans, both dead and alive, have been found soaked in oil.
The long-term environmental impacts of this week's oil spill in California may not be clear for some time. Meantime, the spill has reignited a fierce local debate over off-shore oil drilling.
Plains All American, the company that operates the pipeline, says it has yet to uncover the problem. So far, 9,000 gallons of sludge have been removed from a 9-mile stretch near Santa Barbara.
The ocean's tiniest inhabitants — including bacteria, plankton, krill — are food for most everything that swims or floats. Now, scientists have completed a count of this vast and diverse hidden world.
The White House's strategy to reverse dramatic declines in bee numbers calls for the restoration of 7 million acres of bee-friendly habitat. Critics say the plan ignores a key culprit: pesticides.
The autopilot toy planes, equipped with cameras, help conservationists detect illegal logging and mining earlier in the remote parts of the Amazon basin.