Green tech

摘要

Green is the color of the decade. People of all stripes, old and young, politically conservative or liberal, are making efforts to improve the environment. Even those who don't hold -with global warming can be found making efforts to keep our air or our water cleaner and healthier.rnAnd the techies certainly don't want to be left out. In July, breakthrough advances in environmental and energy efficiency technologies were unveiled to Members of Congress, the media and the public at the Capitol Hill CleanTech Expo '09 in the Rayburn House Office Building.