VIDEO: Mark Bittman: What's wrong with what we eat

"Why do these things happen? One possibility is that generosity among strangers can be socially contagious."

A plant-based diet is indeed a compassionate choice for our health, our planet, and for animals. This TED talk is very meaningful.

A very idealistic solution for ending poverty.

The race to create man-made meat. Lab-grown meat is beneficial to all creatures.

So much of the food supply is shamefully wasted. "Tristram Stuart delves into the shocking data of wasted food, calling for a more responsible use of global resources."

This is an interesting proposal. "Technology allows us to give cash directly to the poorest people on the planet. Should we do it?"

Not wasting food is the first step to fight world hunger and climate change.

This is a great viewpoint on "What is altruism?"

An interesting TED talk on why the nonprofits sector should be allowed to operate in the similar manners as the for-profits sector, so that charity and philanthropy may thrive.