Where is (un)friendly in your local area? Create a map to show where the friendliest places are.
Identify a problem that faces young people in your area: homelessness, kids without school supplies, lack of playgrounds or another issue.
Photograph something you can find that makes up part of the water cycle.
Measure wind speed and direction by blowing bubbles, then report your findings online.
Write a play that can only be performed in a specific place.
Write a story about a real or imagined journey going from the source of a river to its mouth.
Find someone on the other side of the planet to finish off an Earth Sandwich by clicking here.
Make the most boring, monotonous, tedious, irksome, tiresome, humdrum and mind numbingly painful video you possibly can. Share your film. Can you make time slow down for your audience?
Explore your local stores and coffee shops. Which ones have the most sustainable products? Reward those that are good with a certificate and ask your local paper to list them.
Sit and wait. See what happens next.