Archive for the ‘Natural resources’ 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?

Fishing: The power of profit - Thursday, December 6th, 2007

Study shows the wisdom of allowing fish stocks to recover. Production is higher, but costs are lower. What would it take to bring economic and environmental sanity to the fishing industry?

Ice is nice: Report offers no certainty on sea level rise - Thursday, May 3rd, 2007

Greenland’s icecap holds enough water to raise sea level by 7 meters. Some studies show it sliding faster into the sea. Should we worry? New report says “We don’t know.” Comforting?

Nature: The natural prescription for health? - Thursday, April 19th, 2007

Could a walk in the park be good for you? Could looking out a window at a park be good for you? Can nature lower stress and promote healing? For centuries, philosophers, mystics and tree-huggers have talked up the benefits of nature.

Ethanol: Can it, Should it, Replace Gasoline? - Thursday, February 8th, 2007

Global warming gets worse. Petroleum grows scarce. Should we start making biofuels bigtime? If so, should we get the ethanol from corn, or from plant wastes?

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?

Ecotourism: Is it Working? - Thursday, November 2nd, 2006

20 years ago, ecotourism was promoted as a way to save natural systems, and the people who lived in them. We ask: Is ecotourism a force for good, or just another form of “greenwashing”?

Antarctic Ozone Hole Sets New Record - Thursday, October 26th, 2006

Measurements show a huge ozone hole. How can this happen? We thought ozone-destroying chemicals were being phased out…

“Nature Deficit Disorder”: Should We Worry? - Thursday, July 27th, 2006

As kids spend more times indoors, experts wonder what is being lost. Do humans need nature?

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