In addition to changing your lightbulbs to more energy-efficient ones, you probably need to consider quitting your hamburger habit. Turns out that eating beef is a great way to contribute to global warming and other negative environmental impacts, not only because of the cow farts (methane is a very significant greenhouse gas!), but also because of the inefficiencies in transfer of nutrients up the food chain, the fossil fuels used in production and delivery of beef products, and the inordinate amount of nitrogen fertilizers used to grow the feed corn to feed the cattle. Even grass-fed organic beef has a significant carbon footprint (although it is 40% less than conventionally grown beef).
For more details go to "Meat is Murder on the Environment". Those grilled portobello mushrooms and egglplants might be a good environmentally-friendly substitute for those cow patties-between-buns on the grill this summer, and might even be better for you!
But you already knew that ;-)
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