Renewable Energy
Your resource for the best information on renewable energy systems, including wind, solar and more.
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11/20/2009 12:46:35 AM
T. Boone Pickens is the very embodiment of the Texas oil tycoon. He’s also, arguably, the world’s leading advocate for wind energy.
11/16/2009 4:25:17 PM
Check out these renewable-energy courses to see if there’s an Evergreen class for you.
11/16/2009 1:13:57 PM
Environmentalists say Puerto Rico governor rolling back environmental protection
11/2/2009 9:40:54 AM
When you start reading about technology, it seems as though every day there’s a revolutionary new breakthrough related to renewable energy. From superwindows to solar panels to the smart grid, there’s a world of promising new technology being developed that will help us produce more renewable energy and consume fewer fossil fuels. Here’s a rundown of five developments we think will make a difference in the next few years.
10/27/2009 11:26:45 AM
Rainwater Environmental Alliance for Learning (REAL) School Gardens, with the help of a grant from the Motorola Foundation’s Generation Innovation program, works to teach kids about gardening and power from the sun and wind.
10/22/2009 9:43:35 AM
Team Germany takes first place in the 2009 Solar Decathlon, followed by the University of Illinois at Urbana-Champaign in second and Team California in third.
10/15/2009 8:51:31 AM
Rice University's ZEROW HOUSE takes first place for hot water and second for architecture and market viability at the Solar Decathlon 2009 in D.C.
10/9/2009 4:45:30 PM
When you're looking for a job, there's just no substitute for getting out and meeting the professionals in the industry.
10/2/2009 12:28:45 PM
The Golden State invests $3.1 billion in energy efficiency — the largest such investment ever made by a state — and will require state utilities to get a third of their electricity from renewable energy sources by 2020.
10/1/2009 12:41:30 PM
Tell us what you think! We'd like to know whether you're using compact-fluorescent light bulbs at home and why or why not.
10/1/2009 9:00:40 AM
The Solar Decathletes begin assembly on the National Mall at midnight, Oct. 1. But just getting the houses into D.C. is no simple task.
9/28/2009 4:27:22 PM
More and more people are looking for jobs in the renewable energy field. If you're interested in this type of career, here's how you can get started.
9/22/2009 11:17:07 AM
New research from the Environmental Law Institute shows that, from 2002 to 2008, the federal government gave more than two times the financial support it gave to renewable energy initiatives to fossil fuel production.
9/21/2009 11:17:58 AM
Student teams prepare to compete in the U.S. Department of Energy hosted, fourth biyearly Solar Decathlon, where they will be judged on the overall quality of their solar-powered homes.
9/15/2009 4:21:02 PM
We recently wrote about which states have the best wind power resources. Now, we’re considering which states are best for solar power. How sunny is the spot where you live? Keep reading to find out which states have the best natural solar resources, which offer the best state solar incentives for homeowners, and which states have the greatest amount of solar power already installed.
9/15/2009 10:08:45 AM
Check out the PV Watts calculator and find out how much solar-electric power you can generate in your part of the world.
9/11/2009 4:21:46 PM
AC solar panels are an intriguing new idea on the PV market. The panels themselves still produce DC, but each panel would come with its own attached micro-inverter, which converts the DC to AC.
9/9/2009 3:43:18 PM
A new research report says making energy efficiency a priority could prevent 1.1 billion tons of greenhouse gas emissions over the next 10 years.
9/1/2009 4:30:46 PM
How windy is the area where you live? Some parts of the United States have much better natural wind resources than others, and many offer strong financial incentives that make installing wind turbines more affordable. Check out the resources listed here to find state wind maps, information about financial incentives for homeowners, and the latest news about where the big wind projects are being constructed.
9/1/2009 10:45:03 AM
We’d like to hear more about your experiences with green power. Is it available where you live? How does the price compare to what you would otherwise pay for electricity? Why have you — or haven’t you — chosen this option?
8/25/2009 4:44:44 PM
“Future Hype: The Myths of Technology Change” is an entertaining critique of our tendency to overstate the performance of technological advances. Author Bob Seidensticker helps us sift through the exaggeration.
8/25/2009 4:36:59 PM
In a new report, the Union of Concerned Scientists estimates that by cutting greenhouse gas emissions, residential and commercial energy bill savings could reach $255 billion by 2030. According to the organization, these savings would more than off-set the cost of converting to a clean energy economy. How do we get there from here? Check out the report to learn more.
8/25/2009 4:30:16 PM
Tidal and wave energy have been around for years, but they’re just now starting to get the attention they deserve. See why this option is an inventive solution to our future energy needs.
8/20/2009 9:41:36 AM
With its 24,000 mirrors glistening under the Southern California sun, the new Sierra SunTower is providing clean, affordable energy to thousands of homes — and more solar power plants of this kind are on the way. Find out how this breakthrough technology works, and which areas of the country it will be coming to next.
8/19/2009 4:53:22 PM
You can use a solar hot-air collector to heat your home with renewable energy. Here’s more about how they work.
8/14/2009 4:11:17 PM
Check out these wind resource maps for a quick look at wind around the world.
8/12/2009 11:31:42 AM
The Giving Tree Band has done it again with their latest folk album, "Great Possessions." Read how they created what has been dubbed "the greenest of albums."
7/31/2009 4:20:22 PM
It’s a lot of fun to explore Google Earth, and you can find plenty of good information on environmental topics.
7/28/2009 12:56:56 PM
The Environmental Protection Agency announced a list of the top 20 on-site renewable electtricity generators.
7/24/2009 4:10:37 PM
An Energy Efficient Mortgage can help you add value to your home by making home energy improvements more affordable.
7/23/2009 9:39:53 AM
The Sacramento Municipal Utility Destrict (SMUD) recently approved a FIT policy, which will allow owners of small renewable energy systems in the company's area to sell excess energy back to it. Several areas in the United States have passed similar policies in recent years.
7/21/2009 12:32:24 PM
Tell us what you think. If you installed a wind turbine or solar-electric panels, would you want to be tied to the electric grid, or would you rather have a grid-independent system?
7/20/2009 4:18:24 PM
It’s easy to save on energy, and thus save money, at home. From using ceiling fans to adding power strips to finding creative new uses for bubble wrap, there are a variety of easy and proven ways to lower energy bills, and several can be done over a weekend or in even less time. These 10 ideas will set you on the road to home energy savings.
7/15/2009 10:03:34 AM
Kansas, West Virginia, Maine and Nevada recently took initiatives to boost renewable energy, with Kansas and West Virginia introducing thier first renewable energy standards while Maine and Nevada updated their standards with higher goals in mind.
7/7/2009 12:59:35 PM
Since the U.S. House of Represenatives passed the American Clean Energy and Security Act, the U.S. Senate started work on its own energy and clilmate change bill.
6/19/2009 4:38:57 PM
Going off the grid offers complete energy independence — no utility bills, no grid outages, ever — but it takes some effort, and you will need to learn how to conserve energy.
6/5/2009 5:06:33 PM
Learning the basics about electricity will help you conserve energy.
6/3/2009 1:16:04 PM
The Energy Information Administration predicts a 39 percent growth in carbon dioxide emissions by 2030. A predicted 44 percent increase in global energy use will contribute to this. Both renewable energy sources and coal power are expected to see a bigger share of the global energy market.
5/29/2009 8:39:40 AM
The United States cut its energy-related carbon dioxide emissions by a record amount in 2008. Though high gas prices and economic woes were major contributors to the decline, a move toward renewable energy also helped.
5/27/2009 3:48:32 PM
The U.S. Department of Energy heads an effort to create new jobs in renewable energy as part of the American Recovery and Reinvestment Act.
5/27/2009 1:43:29 PM
Nearly every homeowner can benefit from a home energy audit, which can help you save money on your heating and cooling bills, while also saving energy and making your home more comfortable. But the term “energy audit” is used differently by different people. Here’s what home energy rater Ken Riead had to say about the process, and what homeowners need to know before signing up for an energy audit.
5/21/2009 4:04:43 PM
New York makes a plan to increase solar power as part of an aggressive energy policy.
5/21/2009 3:38:57 PM
Here’s advice from a renewable energy expert about what you can expect to pay for a solar-electric system to power your home.
5/21/2009 12:49:33 PM
Hold onto your hats, Congress is debating climate change. Right now the U.S. House is considering the Waxman-Markey climate bill. Here's where you can find more information about what is, and isn't, in the bill.
5/13/2009 1:27:53 PM
There are a growing number of small, solar-powered gadgets for sale including solar flashlights, radios, cell phone chargers, outdoor motion lights and more. Are you using any of these small solar products? Do you find them useful? Tell us what you think!
5/8/2009 2:54:29 PM
Check out this video on tapping wind power with kites.
5/7/2009 1:17:54 PM
Installing an outdoor wood burner is a great way to make your home more energy efficient. Find out whether such an investment can count toward energy credits on your income tax return.
5/6/2009 1:23:33 PM
Which renewable energy technology has the best potential to combat global warming and power our future? Wind, according to a study from the journal Energy and Environmental Science. Read more to learn about the criteria on which the finding is based.
5/6/2009 1:14:38 PM
The documentary “Kilowatt Ours, A Plan to Re-energize America” is an in-depth look at the problems associated with coal and nuclear power, as well as an exposé of green power solutions. Watch the DVD to learn how to cut your energy use in half.
5/1/2009 4:54:32 PM
There's lots of good information on renewable energy in this new NPR series on electricity in America.
5/1/2009 3:43:11 PM
Dan Chiras elaborates on his previous blog about the disadvantages of vertical axis wind turbines (VAWTs).
5/1/2009 9:52:50 AM
An analysis from the Union of Concerned Scientists concludes that consumers’ energy costs would actually be lower under the “25 percent by 2025” renewable energy standard.
4/22/2009 2:04:43 PM
Employment opportunities in the U.S. wind power industry increased 70 percent in 2008, and a record 8,545 megawatts of wind power were installed. With new manufacturing facilities in 24 states, the economic benefits of jobs in the wind power industry are being distributed around most of the country.
4/21/2009 11:18:07 AM
Vertical axis wind turbines don't always produce as much power as expected. Here's what we were able to learn about the new Windspire.
4/14/2009 3:41:19 PM
Whether you're planning to install solar panels, or hoping to put up a backyard wind turbine some day, share your thoughts on the renewable energy projects that intrigue you most.
4/14/2009 9:12:58 AM
Tapping wind resources off the coast of the continental United States has the potential to generate enough power to meet the nation’s electricity demands, according to the National Renewable Energy Laboratory (NREL). With such promising prospects, energy companies are vying to be the first to develop an offshore wind power facility in the United States.
4/9/2009 4:36:37 PM
Information and advice from the Small Wind Certification Council on creating wind power in your own backyard.
4/6/2009 12:16:51 PM
If you’re tired of using fossil fuels to run the lawn mower, but aren’t quite ready to fence the sheep in the front yard, take a look at electric riding mowers. Soon, both zero-turn and rear-wheel drive models will be available.
4/2/2009 2:07:30 PM
The U.S. Department of Energy reports that, under scenarios calling for higher gas prices and stronger controls on greenhouse gas emissions, the United States would experience a greater shift toward the development and production of renewable energy.
4/1/2009 2:14:16 PM
What’s the future look like for solar and renewable energy? To answer that question and more, we talked to an expert at the American Solar Energy Society.
3/31/2009 4:23:22 PM
Have you found helpful ways to cut your energy use at home? Whether it's turning down the thermostat or installing new light bulbs, tell us what you've done to conserve energy and how well it's worked.
3/30/2009 11:17:14 AM
Bills in the House and Senate are proposing a federal standard that would require utility companies to get 25 percent of their electricity from renewable energy sources by 2025. A report from the Union of Concerned Scientists found that such a standard would cut electricity bills for consumers across the country while also creating nearly 297,000 jobs and reducing global warming pollution by 277 million metric tons per year.
3/30/2009 9:09:32 AM
The United States’ solar industry experienced record growth in 2008, reaching a total solar energy capacity of 8,775 megawatts.
3/20/2009 10:18:23 AM
The Bedol water-and-salt-powered clock runs for six months on a teaspoon of salt.
3/16/2009 9:32:00 AM
Not all wind generators are equally effective. Learn the pros and cons of vertical and horizontal axis wind turbines.
3/13/2009 3:05:25 PM
Are you looking for professional training as a solar installer or retailer? Check out this list of workshops available at the American Solar Energy Society's 2009 Conference.
3/13/2009 1:03:25 PM
Solar panels are strong enough to resist damage from most hail. But if you live in an area where large hail is common, there are a few things you can do to minimize your risk.
3/13/2009 11:23:55 AM
Check out RenewableEnergyWorld.com for background information and breaking news on renewable technologies.
3/9/2009 4:15:28 PM
If you’re thinking about getting a solar electric system to help the environment and save money, think about efficiency first.
3/9/2009 9:07:53 AM
From California to New Jersey, utilities across the nation are pursuing developments in solar power that collectively harness thousands of megawatts of clean, solar energy. Some companies have announced plans to buy solar power from concentrating solar power plants, while others are looking to build solar power facilities of their own.
3/5/2009 4:35:55 PM
There are many ways farmers can benefit from renewable energy, including wind energy, solar energy, energy efficiency and biofuels.
3/5/2009 1:41:49 PM
Poultry producer turns manure into propane substitute with biochar as a byproduct.
3/4/2009 2:36:37 PM
You say you’re an environmentalist, but are you practicing what you preach?
3/4/2009 2:31:28 PM
If you’re interested in a green career, here’s some helpful advice.
3/4/2009 1:40:03 PM
When reports of raptor deaths by the thousands began to surface from Altamont Pass Wind Resource Area in central California during the 1990s, both the wind industry and wildlife conservationists were taken by surprise. They have since been scrambling to gauge the severity of the problem and identify causes and solutions, but it hasn’t been easy. We chatted with experts from both sides to learn more about the situation.
2/27/2009 2:41:24 PM
The new economy promises an abundance of green jobs. Are you ready?
2/26/2009 3:12:53 PM
It took a long time to get into this mess. It will take a while to get out of it.
2/26/2009 3:06:16 PM
A new bill would require electricity companies to obtain 25 percent of their electricity from renewable sources by 2025. Experts from the Union of Concerned Scientists say the bill would not only combat global warming, but would also save consumers $94 billion by 2030.
2/26/2009 1:24:46 PM
Addressing Congress on his plan to transform the economy, President Obama pushed for a cap on carbon emissions and stressed greater investment in the production of renewable energy. The president said the American Recovery and Reinvestment Act (ARRA) will double the United States’ supply of renewable energy within the next three years, as well as create 3.5 million jobs.
2/24/2009 12:36:38 PM
Save thousands on a solar electric system by learning this simple secret.
2/19/2009 4:09:57 PM
Want to know more about where that $787 billion dollars in the stimulus package is going? Here are links to a couple of timely articles with all the details about how the stimulus package will encourage renewable energy and energy efficiency.
2/18/2009 11:14:37 AM
LEDs are all around us. Here are some of the ways these great green lightbulbs are being used, and a little more information about how they work.
2/17/2009 4:17:10 PM
Would solar power be a good choice for your home? In some cases, purchasing solar panels now can add up to big savings over time. But whether solar makes sense for you depends on a lot of different factors, including how sunny your location is and what kinds of financial incentives are available in your area. Here are some helpful questions to ask if you're considering solar power, and resources that can help you learn more about the options.
2/17/2009 4:01:21 PM
Yep, some of the money in that stimulus bill is committed to green initiatives, including creating green jobs.
2/17/2009 9:12:26 AM
Are we spending too many resources to restore an economic system that was broken anyway? It's time for a new economy.
2/16/2009 4:38:47 PM
The world is facing serious energy problems in the face of global climate change and declining supplies of oil and natural gas. Author Denis Hayes, a long-time advocate for solar energy, explains that now is the perfect time to take a fresh look at those problems. Through new investment in renewable energy and energy efficiency, as well as effective new climate legislation, we can build a brighter future and create millions of new green jobs. But it will take an immediate and profound commitment to make those changes a reality.
2/11/2009 9:50:41 AM
The X Prize Foundation recently announced the winner of their "What's Your Crazy Green Idea" competition.
2/10/2009 10:20:04 AM
We have to rethink our dependence on spending to make the economy work.
2/6/2009 2:40:48 PM
Contact your senators now to encourage them to support the clean energy initiatives in the new stimulus package.
2/2/2009 1:46:00 PM
In his newest book, Winning the Oil Endgame, influential energy thinker Amory Lovins lays out a strategy for a successful transition to energy independence.
2/2/2009 11:58:20 AM
We tested several solar-powered motion-sensor lights so you can secure your residence while saving money on your electric bills.
2/2/2009 11:26:38 AM
The Energy Information Administration reports that, in 2007, renewable energy sources other than hydropower provided the majority of new electric generating capacity for the first time.
2/2/2009 10:10:57 AM
Former Vice President Al Gore thinks 2009 needs to be the year that America creates a climate bill. And he's got a plan to back it up!
1/28/2009 12:39:05 PM
The future looks bright as long as the United States can follow its current energy efficiency programs.
1/21/2009 4:24:50 PM
Take this quiz from How Stuff Works and learn more about how solar panels produce electricity.
1/21/2009 4:14:04 PM
ASES released a report that says 37 million green jobs are possible by 2030. Check out the study here!
1/21/2009 12:43:35 PM
The new president’s energy plan calls for $150 billion to be invested in building a clean energy future, and aims for renewable energy to supply 10 percent of the nation's electricity by 2012.
1/14/2009 10:32:30 AM
Find out what different states are doing to promote power from renewable sources, including solar and wind energy.
1/12/2009 10:54:37 AM
The International Energy Agency projects a 30 percent increase in global energy demand by 2020, but Lester Brown, of the Earth Policy Institute, argues that we can reduce this number. Read about Brown's plan to decrease global energy demand by preventing energy waste and switching to more energy-efficient products.
1/8/2009 10:31:26 AM
The U.S. Department of Energy has added two 100 Awards to their trophy case — for a total of 42 — for advances in solar power made by two of their latest inventions. Find out more about how these new technologies might transform the way solar cells are created and used.
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