Wait, you may be thinking, I鈥檓 not like that. But even if you鈥檙e not the kind of person who would just dump all your trash on the ground in a park for fun, your actions and energy use are taking a toll on the鈥
Though ore demand for materials usually means more mining (and with it, increased environmental impacts), experts agree that the benefits of renewable energy far outweigh the costs. 鈥淭here is no such thing as a free lunch,鈥 says Charles Barnhart鈥
Fuel blending is something that can make good business sense and provide some environmental benefits for oil companies, said Joel Swisher in an email. Swisher is the &苍产蝉辫;鈥