Causeswww.flickr.com This plastic-eating enzyme can break down garbage in days Researchers hope the enzymes could create a truly circular system for the PET plastics that are still manufactured.
Solutions Carbios's enzyme eats old plastic and turns it back into raw materials Recycling plastic is very hard, but not for the enzymes found in bacteria from landfills.
Newsletter www.sierraclub.org Why more carbon dioxide may not lead to more-productive crops New study challenges what we know about CO2's affect on different plants.
