Daily Roundup: June 3, 2010

Cut Up: Technicians at the site of the Deepwater Horizon disaster successfully sliced off the top portion of a key riser pipe. Though the pipe is gushing even more oil now that it's been cut, the tactic will allow workers to reattempt to place a containment dome over the leak. New York Times

Bombs Away: Federal officials confirmed they are not considering using a nuclear bomb to stop the oil spillage. New York Times

Clearing the Air: The EPA has issued a new one-hour health standard for sulfur dioxide emissions at 75 parts per billion. Since scientific research suggests that short-term exposure is more dangerous, the agency is revoking its 24-hour and yearly sulfur dioxide standards. ENN

Great Depression: A 60-foot-wide, 30-story-deep sinkhole opened up Sunday in Guatemala City, taking a three-story building with it. Due to its size, researchers believe the sinkhole hole formed underground over the past weeks or even years, and the floodwaters from recent tropical storm Agatha caused it to collapse. National Geographic

Epic Fail: A recent poll ranked Americans last in sustainable living, with Canadian and French consumers close behind. India took the highest marks, with its environmental footprint the smallest of the countries rated. Toronto Star

--Sarah A. Henderson