Tidal power can do what wind and solar can’t: provide reliable energy, right when you need it.
A diversity of grasses is better than a monoculture of corn for wildlife, making biofuel friendlier than ethanol for the environment.
A simple, new hydropower dam offers energy without destructive side effects.
Earthships seem like they were built by environmental aliens who crash landed in the desert; now they make fun lodging during eco-minded vacations.
The turbines do this by keeping crops dry and reducing temperature extremes.