If you missed it, get the down-low on what Greatist's Renew Year Challenge is all about.

A little green can go a long way. (This time we’re not talkin’ salads.) Whether it’s eating leftovers, bringing your own water bottle to work, or learning how to compost, let today be a day you help make the earth a little healthier, too.

Hate to waste? Here are 29 ways to reduce it.

Congratulations Captain Planet, you just made the world a better place. Feel free to boast!