In 2007, at age nine, Felix Finkbeiner began this initiative to raise awareness about the global climate crisis. Plant for the Planet is now active in 193 countries and is responsible for the planting of over 12 billion trees!
Is the easiest way to change peoples' behaviour by making it fun? Watch people rack up some points for the planet using this bottle bank arcade on a UK street.
Use free images from the Revolution photo gallery to create posters and flyers to support a school-wide campaign for the planet.