It's over at the Eating Green Calculator.
You're asked how much you eat in a week, according to categories (How many eggs? How much yogurt? etc.). Then, press a button and voila -- you learn:
- the environmental burden of the animal products you eat in a year (number of pounds of manure in a year is interesting to know); and
- the estimated daily nutrient intake from the animal products you consume (calories, fiber, saturated fat, cholesterol).
It's fast. Check it out.