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Arctic seals vulnerable to fast pace of change
Scientists at work in the Arctic say the pace of change there is now so rapid that some creatures might not be able to adapt. For example, Arctic ringed seals give birth and nurse their young in caves dug out on the snow-covered ice.
March 26, 2008
1st Aspen Environment Forum in 2008
Leaders of industry, science, journalism, politics, and sustainability converge on Wednesday, March 26 in Colorado for the first Aspen Environment Forum.
March 26, 2008
Making seawater fit to drink
In the past, desalination relied on boiling the water. But today’s newer techniques use a semi-permeable membrane. Read more about drinking seawater.
March 18, 2008
Arctic explorer connects poles to the world
Will Steger, an Arctic explorer, began his career by traveling unsupported thousands of kilometers across the polar regions by dog sled. Read more.
March 10, 2008
Arctic change faster than people imagined
Ben Holt talked about Arctic change and said "there is a sense of urgency, and that the Arctic is rapidly changing, faster than people might have imagined."
March 9, 2008
Why can’t everything be recycled? Jeremy O’Brien answers
Recycling expert Jeremy O'Brien responds to a student's question about why some materials can be recycled and others can not.
February 15, 2008
Climate change and shrinking water supply
A 2008 study shows that climate change has caused available water to shrink in the western U.S. during the last half century. And even bigger changes may lie ahead ..
January 28, 2008
Climate change and the resulting sea level rise
"Now when we look to the future, Greenland and Antarctica are the big gorillas. If Greenland were to melt, it's about 23 feet vertically for sea level." Read more on climate change.
January 28, 2008
Hurricanes and robot airplanes
Crewless robotic aircraft will fly into the lowest and most turbulent layers of hurricanes, spiral up the eye, or loiter above the top of the storm to gather data beyond reach using traditional methods.
January 22, 2008
Ecological debt day: What is it?
By early October, we humans had already consumed all the resources Earth will produce for 2007.
That's the basis of Ecological Debt Day, announced by Mathis Wackernagel of the Global Footprint Network.
December 21, 2007
