Carbonrally is a website that provides simple actions you and your family (or class) can take to save energy and slow global warming. They've got them set up so you work as a team with people from all over the world. And each action is a challenge that you can track and see how people working together can make a really big impact. Everyone wins!
One of the many great things about being young is that we live in a time of many great challenges. Working together, every day you can do something to make the world a better place in the future!