Impact!

Solar panels
Windmills above highways
Better Insulation in houses
Better gas mileage in cars
Land ethics – Treating the land and species well for many generations
One car per family
Auto-off lighting
Using Methane (cow farts / poop) for energy
Geothermal energy
water -  fuelcell (Or fuelcell in general)
Vegetable oil energy (or bio-diesel)
Geyser / lava energy
Hamster wheels with wires attached to battery – for [...]