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Measuring the Weight of Ancient Air
Topic: Climate
10/06/08
In the first study of its kind, researchers will measure the air pressure from nearly three billion years ago by using gas bubbles in lava and tiny craters made by raindrops. The results could indicate what sort of life may have existed on the ancient Earth.

A Warm Breath of Carbon Dioxide
Topic: Climate
09/04/08
When the sun was young, it didn't produce enough heat to unfreeze ice on our planet. So why was the early Earth covered in liquid water and not ice?

Signals from an Infant Earth
Topic: Climate
07/14/08
Precise dating of zircon crystals suggests that Earth may have been conducive to life even before an epic influx of asteroids pummeled our planet 4 billion years ago.

Oceans Gasping for Breath
Topic: Climate
05/12/08
During the Jurassic, global warming and severe environmental change led to the extinction of many species. One of the most intriguing effects was that the oceans became starved of oxygen.

A Question of Climate
Topic: Climate
02/25/08
At its birth, our young planet was a ball of molten hot rock. How long did it take to cool down? The answer could indicate the conditions necessary for life to arise, and provide insight into the evolutionary history of life on Earth.

Pies in the Sky: A Solution to Global Warming?
Topic: Climate
04/23/07
If global warming sizzles out of control, could 16 trillion small disks deflect enough sunlight to cool the planet? Astronomer Roger Angel proposes to find out.

Surfing the Wave
Topic: Climate
09/13/04
A tsunami, a series of large waves caused by the disruption of seawater, is one of the many hazards of living on Earth. Bill McGuire, Director of the Benfield Hazard Research Centre, says that a mega-tsunami could cause death and destruction to both the eastern and western Atlantic coasts.

Killer Lakes: Part III
Topic: Climate
05/06/04
Defusing Africa's killer lakes in a remote region of Cameroon, an international team of scientists takes extraordinary steps to prevent the recurrence of a deadly natural disaster. This three part excerpt gives a first-hand account of global climate change by award-winning science journalist, Kevin Krajick.

Killer Lakes: Part II
Topic: Climate
05/06/04
Defusing Africa's killer lakes in a remote region of Cameroon, an international team of scientists takes extraordinary steps to prevent the recurrence of a deadly natural disaster. This three part excerpt gives a first-hand account of global climate change by award-winning science journalist, Kevin Krajick.

Killer Lakes: Part I
Topic: Climate
05/05/04
Defusing Africa's killer lakes in a remote region of Cameroon, an international team of scientists takes extraordinary steps to prevent the recurrence of a deadly natural disaster. This three part excerpt gives a first-hand account of global climate change by award-winning science journalist, Kevin Krajick.
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