Understand how alternative energy and renewable resources are changing our world, from geothermal to nuclear.
Modern life is utterly dependent on electricity. What are we to do if that supply becomes erratic?
Impact Energies sells and leases solar panel systems to people making less than $6 a day in Ghana. The company was recently acquired by Persistent Energy Partners.
BETTER WAYS TO MAKE AND USE ELECTRICITY
From massive solar power projects in India to a wind farm in Ethiopia, the clean energy revolution has gone global.
Five years in the making, Londoners can finally welcome a massive solar roof installed above a newly redeveloped railway station that spans the River Thames atop a Victorian-era bridge.
Seattle and Denver lead the pack when it comes to efficient and clean energy use. But just like in a certain NFL championship game, only one winner can emerge from the 'Efficiency Bowl.' Which city will it be?
A webcam focused on a light bulb that has been on for more than a century takes you back to the days when things were built to last.
We don't want greenhouse gas emissions, but we do want energy. What if we could bury one to get more of the other?
Tiny solar panels can be embedded in clear and even colored glass, opening up the roof for other green applications.
Truckloads of organic food waste will help to boost production of methane-rich biogas at the city's largest wastewater treatment plant — biogas that will be purified and used to heat homes.
A new power plant in England will convert landfill waste wood into a cleaner-burning fuel. It's progress, but some critics have concerns.
Developing the infrastructure necessary wouldn't be cheap, but its benefits could significantly outweigh the costs.
No more drilling? Being able to transform algae into crude oil could revolutionize how we fuel up our vehicles.
The phasing out of popular incandescent bulbs in favor of more energy-efficient bulbs needn't be a confusing upgrade.
Smart grids can work around power failures, monitor for potential outages and lower energy costs.
It ought to be obvious, but solar panels don't make sense in all situations. Homeowners need to do their homework.
Activist and author blogs about politics, energy and Earth's resources.
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Science journalist blogs about humans and other wildlife.