How to be healthy and not pollute the environment in our daily diet?

It is difficult to say that pollution does not pollute the environment now. Usually, if you want to stay healthy, you can achieve it in the simplest way. Exercise more, eat more fruits and vegetables and eat less meat. (Now SARS comes from civets, eating meat; Swine flu comes from eating pigs and meat; Mad cow disease comes from cattle, eating meat. Wait ... look at it ...)