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How humans came to dominate the Earth
Paul Ehrlich of Stanford explains his ideas on why we humans dominate Earth. He says that our genetic evolution gave us things like dextrous fingers and binocular vision, but what put us over the top was our cultural evolution.
November 25, 2008
Intersection of air pollution and public health
Harvard's Yang Liu talks about how satellites in space can provide scientists and medical researchers with information they need on air pollution and human health in this 8-minute *EarthSky Clear Voices for Science* podcast.
November 25, 2008
Carbon offset projects: Which are the best?
Looking to offset your carbon emissions? Now you can with confidence, thanks to a new online list of vetted, high-quality...
November 23, 2008
Nuclear power helps global access to energy
Nuclear engineer Erich Schneider responds to a question asked by a student from Cote d'Ivoire about the purpose of nuclear power.
November 23, 2008
Testing blue light on astronauts’ body clocks
Can blue light help to enhance astronauts' sleep and to boost their waking performance? Read more about this test of colored light.
November 21, 2008
Cellphones and human habits and environments
Deborah Estrin of UCLA is experimenting cellphones and their owners as 'mobile sensors' in new studies. Read more about the testing and results here.
November 18, 2008
Safe harbor agreement protects wildlife and landowners
Robert Bonnie of the Environmental Defense Fund talks about the safe harbor agreement that helps landowners along with endangered species on their land.
November 12, 2008
Financial incentives for preserving forests
A land conservationist says that good stewardship by private forest landowners in the U.S. can be a heroic effort, because it can require the rejection of sometimes lucrative financial offers.
November 12, 2008
Earth’s carbon budget in a warmer world
Jon Ranson talks about studying vegetation via satellite, and how carbon relates to climate change, in this 8-minute *EarthSky Clear Voices for Science* podcast.
November 11, 2008
Marine census update reveals octopus ancestor
The Census of Marine Life won’t be complete until 2010, but scientists are already sharing some of their discoveries, including...
November 10, 2008
