More on some of these great concepts
From Cleantechnica: Microalgae Lamp Absorbs 150-200 Times More CO2 than a Tree!
From PlanetSave: Drink Your Pee!: The Future of Water Filtration
From Treehugger: “Eco-Friendly” Mobile Phone Runs on Coke
From MNN: 12 cool urban bicycles ready to replace your car