Cisco Global Problem Solver Challenge
Challenges you to come up with ideas for positive social, environmental or economic impact
If you have an idea how to make a positive social, environmental or economic impact that uses technology, entering this competition could win you anything between 100.000 and 10.000 USD. In fact they give out five prizes in total including a people's choice award. So if you are really good at promoting your idea online, you don't even have to convince the judges to walk away with 10.000USD!