How can we reduce the amount of marine debris entering our oceans?
How can humans safely explore Mars?
How can we design a good grading system?
How can we use data to take effective action on climate?
How can we keep our communities safe in the face of natural hazards?
How can we teach children to be stewards of the environment?
How can we redesign a public space to make it more environmentally sustainable?
How can we help people survive in extreme temperatures?
How can we plan and prepare a meal to feed people in our community?