Biochar may help reverse climate change, widespread hunger

Aug. 19, 2010   1 Comment  

Two of today’s biggest social, moral and political issues — global warming and hunger – could be partially reversed because of innovations by Amazon tribes thousands of years ago.

EarthTalk: Carbon Footprint? Recycling as law?

Dec. 24, 2007   1 Comment  

Dear EarthTalk: My New Year’s Resolution is to reduce my "carbon footprint" to help fight global warming. Do you have suggestions for ways I can make good on my promise? – Carrie, via e-mail There’s never been a more urgent time to reduce your carbon footprint. With the U.S. government still opting out of mandatory [...]