sustainable

Clover Valley Farms

Apples and rabbits and sheep - oh my!

Clover Valley Farms is giving farmers, gardeners of the merely curious a chance to tour their organic, sustainable acres this weekend.

nrg_crisis/Flickr

Can you make car tires from trees and grass?

University of Minnesota researchers can.  They've discovered a new way to make isoprene (a key molecule in car tires) which means the tires made from biomass would be identical to the tires we're using now - the ones made primarily from fossil fuels.