superbad said: ""But some studies point out that feed must be grown on adjoining land, thereby depleting it" Only if you subscribe to the current broken pr..." [read]

Justin said: "Good questions Neil! I'd like to add,... * why not use thin film thermoelectrics like those produced by RTI? This would be a small part that ..." [read]

Brian said: "Maybe they could transfer that heat to water for storage, or just general heating needs?..." [read]

Garrett said: "Large retailers should set good examples. They should start by putting in skylights. With the way most stores are set up, most of the energy prod..." [read]

Neil said: "That photo of the polar bear is great! They are in their natural habitat doing what they do. Did you know that: Polar bears have webbed f..." [read]