GAME RULES

The competition deadline was 31 July 2010. Before entering, each contestant had to agree to our Terms and Conditions (We're legally obliged to have these). The Green Challenge 2010 started May 1.

TERMS AND CONDITIONS

2009 finalists

One bright idea can make a big difference. The entrant with the best idea for a greenhouse-gas-reducing product or service will win €500,000, expert coaching and a starting list of customers! Read all about it »

How to win
Think you're too young to enter this contest? You lack a track record as an inventor? Or your idea's too wacky to fly? Read this »


We'd like to share a few great ideas that are already making a difference in the world. These ideas inspired us - maybe they'll inspire you too, and expand your mind and imagination.


"I'm pleased that the Dutch Postcode Lottery has launched the Green Challenge to encourage entrepreneurs to develop new ways to fight one of the most pressing issues of our time: climate change." Read more »