Have an idea that can help green the world? You might want to check out the Picnic Green Challenge:
“To encourage and aid the invention of great new green products and services, the Postcode Lottery and PICNIC present the PICNIC Green Challenge. We call on you to dream up a greenhouse-gas-reducing product or service and send us your idea by 30 August.”
For more info on how you can win money to bring your idea to fruition, check out the Picnic Green Challenge.