Understand how alternative energy and renewable resources are changing our world, from geothermal to nuclear.
El Hierro, the smallest of the Canary Islands, is becoming energy self-sufficient by relying solely on wind turbines and hydroelectricity.
Deserts have a lot of sun, but not much water. That's why researchers are advocating combined solar and agave farms.
BETTER WAYS TO MAKE AND USE ELECTRICITY
There are 2 ways to make solar mainstream: increase efficiency or lower costs. Tin-based solar cells may achieve the latter.
Walmart is outfitting its U.S. stores with solar panels and pushing forward with solar initiatives in Mexico and Brazil.
Creating nuclear fusion on Earth involves pellets of hydrogen shot with lasers, but the heat isn't uniformly applied and the pellets become deformed, lessening their energy values.
They're baaack ... 8 Cher albums and 28 seasons of 'The Young and the Restless' later, solar panels once again grace the rooftop of a certain neoclassical mansion in D.C.
LED bulbs have better light quality and last longer than CFL's — and they'll cut your energy consumption too. Here's how to find the right glow for your space.
The U.K. carrier partners with an American biofuel firm to build a facility where the contents of Londoners' rubbish bins will be converted into jet fuel.
Utility-scale solar power requires a lot of land. But there are ways to work around that problem.
If the goldenrod gall fly is able to turn regular, freeze-susceptible fats to freeze-resistant ones, researchers might be able to mimic the process.
Watch the fire spin and swirl as its driven up towards the heavens by an array of well-placed box fans to the soothing tune of 'Moonlight Sonata.'
In celebration of Earth Day, plastic toy construction bricks from Denmark mingle with clean, Sunshine State-sourced energy.
From one of the world's top pistachio-producing regions comes a not-too-entirely nutty idea: Burning waste shells to heat buildings.
Innovative 'photoswitches' tuck away solar energy in molecules that can be endlessly re-used, no matter the time of day.
From eco-dancefloors to ocean waves: Wherever there is movement, there is energy.
Activist and author blogs about politics, energy and Earth's resources.
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Science journalist blogs about humans and other wildlife.