You can do it 3 times a day and it doesn't cost anything. Animal products includes meat, fish, dairy, and eggs.
An Oxford University study, published in the journal Climatic Change, shows that meat-eaters are responsible for almost twice as many dietary greenhouse-gas emissions per day as vegetarians and about two and a half times as many as vegans.
Currently, livestock covers 45 percent of the Earth's total land. As a result, one-third of land is desertified.