How can we reduce the amount of marine debris entering our oceans?
How can humans safely explore Mars?
How can we keep our communities safe in the face of natural hazards?
How can we take care of the environment and inspire others to help us?
How can we teach people about the weather in our community?
How can we redesign a public space to make it more environmentally sustainable?
How can we plan and prepare a meal to feed people in our community?