One of the coolest projects I've come across is ReSkate!, which is formed by a group called Nube looking to breathe new life into old skate decks.
ReSkate! is a wonderful project that I think many businesses should model themselves after. The group gives broken, throwaway skateboards new life. Normally, when you hear something like that, it usually means that the decks have been renewed as iPhone covers or art pieces. In this case, however, ReSkate! is actually making them into functional skateboards again. So, if you've busted your deck, you can have it restored just like an old car that hasn't been driven in ages. The graphic designs are incredible, with amazing original artworks that truly stand out on its own.
ReSkate! is definitely worth checking out for skateboards and eco enthusiasts.