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Dust storms escalate in western U.S., affect ecosystems
Why so many dust storms now? Across vast areas, soil is being loosened by off-road vehicles, livestock grazing, road development for oil and gas production ...
April 24, 2009
James Hansen: ‘We’re in a CO2 danger zone’
Carbon dioxide levels today are unacceptably high, says NASA scientist James Hansen. Hansen talked to EarthSky about the dangers of atmospheric CO2 - and what can be done to bring the levels down in the future.
April 21, 2009
Climate impacts by Jerry Melillo in the U.S.
Listen to Jerry Melillo, an ecologist at the Marine Biological Laboratory. He and his colleagues are documenting climate impacts already occurring.
April 20, 2009
Charles Rice on whether soil could speed Earth’s warming
Soil can help warm or cool the Earth - depending on how we manage it. according to microbiologist Charles Rice.
April 19, 2009
Climate scientists: Avoidable and unavoidable impacts
Climate scientists - and Stephen Schneider of Stanford - spoke about avoidable and unavoidable climate impacts. Schneider said we have to get on with the job.
April 16, 2009
Is geoengineering a scary or sensible solution?
Geoengineering is intentionally altering Earth's climate. But creating a means to cool down the climate - even temporarily - is fraught with potential for unintended consequences.
April 13, 2009
Tsunamis No one can precisely predict the next one
Oceanographer Eddie Bernard said progress has been made in understanding tsunamis since the one that struck southeast Asia in 2004. But, he said, the science of predicting earthquakes is still unreliable.
April 13, 2009
Climate help by limiting carbon emissions
Limiting carbon emissions might lead to economic opportunities, said Carnesale of U.S. National Academy of Sciences committee on America's Climate Choices.
April 8, 2009
Climate study to help determine U.S. policy
National Academy of Sciences president Ralph Cicerone talks about America's choices in response to climate change and how it will impact everyone.
April 6, 2009
Earthquake vigilance is very important
Kathleen Tierney of the Natural Hazards Center at the University of Colorado talks about what you can do to be prepared if you live in an earthquake-prone area.
April 2, 2009
