From Chocolate & Zucchini: Tips for a Green Kitchen, Part 1 and Part 2. One of the tips included is to cut down on meat consumption. This is the basic idea set forth in Mark Bittman's new book, Food Matters.
Bittman argues that if people cut back on consuming animal products (as well as refined carbs and junk food) there will be positive effects for health and the environment. For example, Bittman suggests confining consumption of animal products to just the evening meal, and focus on eating vegetables and whole grains during the remainder of the day.
The video below, in which Bittman discusses the policy behind his suggestions, is persuasive. I am going to confine consumption of meat, fowl and fish to one meal each day.
This might be fun - mushroom pate anyone?