I would make a machine that turns trash into soil in under an hour.
— duckyqueen9, Age 12
I would make a bike that would make electricity and a machine that would turn trash into a plants food!!!!!!!
— amaloboo, Age 10
I think something that took all trash from trash cans, water, rivers, oceans,beaches,forests,and everywhere else (including the dump) would be awesome to save earth and the world.
— oreooliver, Age 9
i would invent solar powered cars that store energy so there would be less air pollution.the suns energy would be stored so people could drive during the night.
— kandnfun, Age 12
I would make a car that takes in dioxide blows out oxygen like a tree.
— kratboot, Age 7
I'd build a machine that takes away all the pollution in the universe.
— heyo345, Age 9
I would make some robots that makes trash into toys for kids to play with and the robots have teleporter that teleports the toys to kids all the kids in the world. Then my idea will be a success.
— Dan Stanley, Age 8
I would make a machine that detects recyclables in the garbage can so you will recycle them.
— lolchick1234, Age 8
I would make a UFO to abuct trash.
— abdu361, Age 6
I would make a car that anything it saw it would clean it up.
— tibble2345, Age 7