All images via BikePortland

Some might say that Brian Campbell has been living on the street for thirty years; others might suggest that he has mastered the skill of lightweight mobile living, with a blue styrofoam roof over his head and wheels under. He rode his previous …Read the full story on TreeHugger

2008 Winners Ecovative and their mushroom based alternative to styrofoam packing materials. Image via: Green Challenge

For €500,000 could you come up with a solution to climate change? What if you didn’t have to solve the global problem, but just had to come up with a solution that works and could get off the ground in the next year or two and just makes some current human activity more efficient or solves one aspect of climate change? Apparently 313 people from around the world think they can and entered this year’…Read the full story on TreeHugger