Apr 25 Watch Pittsburgh Renews Itself With ‘Green’ Technologies Pittsburgh, once described as the nation's "dirtiest city," is working hard to reverse that image with new energy efficient initiatives. Paul Solman looks at how the Steel City has become reinvigorated by implementing new "green" energy technologies. Continue watching
Apr 11 Scientists Create Plan to Save Madagascar Species By PBS News Hour The island nation of Madagascar is one of the world's poorest countries, but it is rich in one resource -- biodiversity. Perched in the Indian Ocean off the east coast of Africa, Madagascar broke from the continent more than 80… Continue reading
Apr 01 Scientists Plot Pollutants’ Path at the Arctic By PBS News Hour The Arctic is a receptacle of the planet's air pollutants -- from forest fires to human-produced carbon dioxide emissions -- and a coordinated international effort is geared toward learning more about pollutants' effects at the top of the globe. Continue reading
Mar 28 Watch After Major Cyclone, Bangladesh Worries About Climate Change Months after Cyclone Sidr killed 3,200 people along the Bangladesh coast, the devastated country turns its attention to climate change. Fred de Sam Lazaro reports on recovery efforts and worries about the long-term future of the country. Continue watching
Mar 26 Watch Ice Shelf Disintegrating Off Antarctica Peninsula A huge slab of ice has fallen off the western Antarctic peninsula, threatening the ice shelf behind it. Scientists say the collapse shows how quickly polar changes can occur amid certain climate conditions. A climatologist explains. Continue watching
Mar 24 Watch Water Recycling Efforts Spark Policy Debate in California In water-strapped southern California local authorities are exploring new approaches to water usage, launching new programs that send highly treated wastewater back into the groundwater supply to serve as drinking water. Continue watching
Mar 10 Watch Probe Finds Traces of Common Pharmaceuticals in U.S. Drinking Water An investigation by the Associated Press found trace amounts of many types of pharmaceuticals -- including painkillers, antibiotics and anti-seizure medications -- in the drinking water of 24 American cities. A reporter who worked on the story describes the findings. Continue watching
Mar 07 Strange Malady Wreaks Havoc on Bat Population By PBS News Hour New Englanders may face an uptick in mosquito swarms, insect bites and moths this summer as a strange malady has threatened the insects' top predator: bats. Continue reading
Mar 06 Watch Carbon Offset Plan Allows Businesses to Trade Environmental ‘Credit’ As scientists debate how to address climate change, one proposal for businesses creates a carbon credit system that allows emission producing companies to buy credits from companies that use energy efficient technologies as a way to offset overall environmental impact. Continue watching
Feb 27 Watch Justices Consider Exxon’s Valdez Damages Challenge The Supreme Court heard arguments Wednesday in Exxon's appeal of a civil suit that awarded $2.5 billion in punitive damages to victims of the 1989 Exxon Valdez shipwreck and oil spill in Alaska. The National Law Journal's Marcia Coyle recaps… Continue watching