To fight global warming, it is easy to insist the government implement new laws and policies. It is also relatively easy (albeit expensive) to change to a more fuel-efficient car. None of these affect one's personal life in any significant way, however.
If one takes the threat of global warming seriously, the most powerful personal step you can take may well be choosing a vegetarian diet. As pointed out in the Baltimore Sun (July 19, 2007; reproduced here):
We're getting "greener": Recycling, energy-saving light bulbs and fuel-efficient hybrid cars are now a part of our culture and economy. But most people are neglecting one of the most important steps toward stopping global warming: adopting a vegetarian diet.
It is not just animal advocates making the connection between what we choose to eat and the future of the Earth. In November of 2006, the United Nations issued a press release that stated:
Which causes more greenhouse gas emissions, rearing cattle or driving cars?
Surprise!
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