Archive for the ‘Environment’ Category


Gulf of Mexico: Dealing with the Dead Zone - Thursday, July 3rd, 2008

When too much fertilizer reaches the Gulf of Mexico through the Mississippi River, a vast area gets robbed of oxygen. What can be done to reduce the dead zone that appears each summer?



Dramatic Rescue in the Wild! - Thursday, January 25th, 2007

Woman is rescued in wilderness after 5-week ordeal. What is so great about wilderness, and why do so many people think they need it to soothe their souls?



Winter’s Weird Weather: What’s the Cause? - Thursday, January 11th, 2007

Some call it Fall. Some call it spring. But nobody in the Midwest, East Coast or Northern Europe is calling it “winter.” What’s up with our weather?



National Parks: Space for Snowmobiles and Science? - Thursday, December 30th, 2004

As the administration allows more snowmobiles to buzz through Yellowstone, scientists cry foul. Are the parks more than playgrounds?m Scientists call for more money for basic research, but the Bush administration favors recreation.



Salmon au Flame Retardant - Thursday, August 19th, 2004

Feeling burned? Farmed salmon have higher levels of a brominated flame retardant than wild salmon.



Climate Change: It Can Happen Fast! - Wednesday, June 30th, 2004

Evidence from ice cores in Greenland and Antarctica show how fast the climate has changed in the past. In this era of global warming, you can’t count on a slow, gradual, predictable warming.



Mercury Pollution: How to Respond - Thursday, May 6th, 2004

How should we deal with mercury air pollution in air, fish and water? Why do the studies of mercury consumption not agree? What to do when the studies conflict…



Soil Matters: More than You Think! - Thursday, April 8th, 2004

History shows societies collapse without soil. What can the world cando to keep our dirt clean?



Wilderness Debate - Friday, August 1st, 2003

In a wilderness, roads can interrupt migration corridors; kill wildlife through vehicle impacts, block movement of surface water; compact soil, harming burrowing animals and changing groundwater flow; cause air pollution and traffic noise; and allow invasive species to enter.



Food Pyramid Gets Facelift - Thursday, June 19th, 2003

To battle the bulging waistline, the feds have devised 12 food pyramids to help choose a lifestyle that balances nutrition and excercise. Is this mound helpful?


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