Plant just a few trees. Don't be afraid to reject your own ideas. Humble brag in a journal. This is some of the advice we heard last week when about 1,500 people who try to make our planet a better ...

We asked folks whose job it is to make the world a better place: How do you find the inner strength to keep plugging away in tough times? And what... Plant just a few trees. Don't be afraid to reject ...