New green-power technology transforms motions like walking and touching into potent jolts of energy.
It's made from shipping containers, uses all off-grid energy, and solar panels warm the water.
This could be the next ride for the emerging market poor.
Researchers have extracted a substance from coffee grounds that they claim is cheaper and cleaner than diesel fuel.
Wyoming and New Mexico are primed to become major exporters of wind power; solar power is going to take over California.
Four monstrous pitcher plants light up a new pedestrian pathway downtown ... if anybody's brave enough to use it, that is.
For starters, don't tell them it'll help fight climate change or "protect the environment."
A retrofit in suburban Lancaster, California, shows us the many benefits of street redesigns.