This Sunday, we're going to the ends of the earth to discover the wild, secret life of plants. Then, meet a dad who convinces his family to go green in a very big way in the documentary No Impact Man.

• Watch the first minute of this week's "Super Soul Sunday"
• Get a sneak peek of The Secret Life of Plants

Don't miss the encore presentation of Super Soul Sunday's "Earth Love" on January 8 at 8 a.m. ET/PT.