
Let's compare their lives, achievements, and embittered battles of these two electricity pioneers in our latest infographic.

For 4/20 (a date we hear has meaning for marijuana enthusiasts), we take a look at all the electricity it takes to grow America's indoor pot.

All those grow lights, it turns out, inhale enough juice to power 2 million American homes.

Renewable energy had a good year in the United States in 2011.

The Department of Energy has called cogeneration plants “one of the most promising options in the US energy efficiency portfolio."

Waste-to-energy projects make the best of the world we have. Manure becomes electricity. Steel gas becomes jet fuel. Garbage power people's homes.

A new Greenpeace report show just how much energy it takes to run our internet lives.

What if everyone, not just environmentalists or those who can afford it, could switch to wind- and solar-powered electricity?

When reporters, politicians, and environmental advocates talk about renewable energy, they talk about wind and solar. This makes sense: Of the...
Learn which money-sucking appliances are draining your electricity even when they're turned off.

It's accepted fact that solar projects will continue to multiply, but it's unclear where they'll all be built.
This is your house on the smart grid. What the future of home appliances will look like when we're managing our electricity better.

This little video does a bang-up job of tracking electricity from homes to coal-fired power plants, and showing the outrageous scale of coal's impact.

A group of residents in Brighton are recording their daily electricity use on a giant infographic painted on the sidewalk outside their homes.

A small row of unmanned houses in Tennessee is operating at optimal efficiency. Are these our energy-efficient future?

Thanks to this solar lantern, for less than $10, students living without electricity could have light to study by when the sun goes down.

A new solar laptop could free computers from their power cords. And in the future, the pressure created by typing could be used to charge batteries.
Can you create a mascot or icon for reducing energy consumption by February 9? We'll pay the winner's energy bill for a month.