Keeping some calorie-dense food in your diet-whether it is meat, pasta, beer, or cake-allows you to reach satiety more quickly and easily. And this will keep you from feeling deprived.

We need to demonise soda, the way we've demonised cigarettes.

If price spikes don't change eating habits, perhaps the combination of deforestation, pollution, climate change, starvation, heart disease and animal cruelty will gradually encourage the simple daily act of eating more plants and fewer animals.

Keeping some calorie-dense food in your diet-whether it is meat, pasta, beer, or cake-allows you to reach satiety more quickly and easily. And this will keep you from feeling deprived.

The USDA is not our ally here. We have to take matters into our own hands, not only by advocating for a better diet for everyone - and that's the hard part - but by improving our own. And that happens to be quite easy. Less meat, less junk, more plants.

If you embrace moderation, eat whole foods instead of junk, live within your physical, monetary, and environmental budget rather than constantly exceeding it, you will lose weight, tread more lightly on the planet, and gain satisfaction from these things.

We are already eating less animal foods since a few years ago, but we are still eating 8-9 billion animals per year.