I received this email today:
Earth Day may be over, but there's always time to be eco-friendly. Don't know where to start? Today you can download a free copy of Grist magazine's humorously helpful book, Wake Up and Smell the Planet, when you register online. Armed with tips on greening everything from your office to video games, you'll be fast friends with planet Earth.
You have to register by the end of today to get the free book download. Click on the book title above to get more details.