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A tiny country with little space to spare looks to its water reservoirs to expand its use of renewable energy.

There isn’t much extra space in Singapore, since the entire country is smaller than New York City and fully developed. So when the government decided to install more solar power to help meet the area’s energy needs, they turned to water instead of land: When finished, the country’s new power plant would be the world’s largest floating solar farm.
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A tiny country with little space to spare looks to its water reservoirs to expand its use of renewable energy.

There isn’t much extra space in Singapore, since the entire country is smaller than New York City and fully developed. So when the government decided to install more solar power to help meet the area’s energy needs, they turned to water instead of land: When finished, the country’s new power plant would be the world’s largest floating solar farm.

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If the Solar Wind Downdraft Tower is ever built in the Arizona desert, it truly will be a wonder of the modern world. At 2,250 feet, it would be taller than the new Freedom Tower in New York (1,776 feet), and 1,000 feet higher than the Empire State Building. It would have 120 huge turbines at its base, and enough pumping capacity to keep more than 2.5 billion gallons of water circulating. And it would have colossal power output: the equivalent of wind turbines spread over 100,000 acres, or as big as the Hoover Dam.
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If the Solar Wind Downdraft Tower is ever built in the Arizona desert, it truly will be a wonder of the modern world. At 2,250 feet, it would be taller than the new Freedom Tower in New York (1,776 feet), and 1,000 feet higher than the Empire State Building. It would have 120 huge turbines at its base, and enough pumping capacity to keep more than 2.5 billion gallons of water circulating. And it would have colossal power output: the equivalent of wind turbines spread over 100,000 acres, or as big as the Hoover Dam.

Read More>

Does it bother you to distraction when you see someone wasting electricity? The LightsOut app is for you to tattle on others.
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Does it bother you to distraction when you see someone wasting electricity? The LightsOut app is for you to tattle on others.

Read>

Solar Power Is Now As Cheap As Grid Electricity In These European Countries 
Choosing solar power no longer has to be a sacrifice for the sake of the environment. In Germany, Italy, and Spain, installing your own solar panels can now actually save money.
A report released by European renewable energy consulting firm Eclareon shows that solar energy has reached “grid parity.” In other words, over the full lifetime of the equipment, the total cost of owning and operating rooftop solar panels is about the same as buying electricity from the grid.
Read More>

Solar Power Is Now As Cheap As Grid Electricity In These European Countries

Choosing solar power no longer has to be a sacrifice for the sake of the environment. In Germany, Italy, and Spain, installing your own solar panels can now actually save money.

report released by European renewable energy consulting firm Eclareon shows that solar energy has reached “grid parity.” In other words, over the full lifetime of the equipment, the total cost of owning and operating rooftop solar panels is about the same as buying electricity from the grid.

Read More>

The killer app? That would be solar panels plus batteries. When you put the two together, homeowners don’t need utilities anymore, and perhaps not the grid either.
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The killer app? That would be solar panels plus batteries. When you put the two together, homeowners don’t need utilities anymore, and perhaps not the grid either.

Read More>

The world has a challenge on its hands: As people rise out of poverty, their energy consumption rises, too, putting pressure on everyone around the globe to offer game-changing solutions to the greenhouse-gas crisis. These folks are meeting the task. Read more>

The world has a challenge on its hands: As people rise out of poverty, their energy consumption rises, too, putting pressure on everyone around the globe to offer game-changing solutions to the greenhouse-gas crisis. These folks are meeting the task. Read more>

The American political atmosphere might be polarized when it comes to climate change, but new evidence suggests that the public is more passionate about energy’s impact on the environment than one might think.

A new survey from the University of Michigan Energy Institute found that 60% of respondents worried “a great deal” or a “fair amount” about the environmental impact of energy use. By comparison, 55% worried a great deal or fair amount about energy affordability. The two concerns, researchers say, were basically equivalent.

"That was an eye opener for us," says professor John DeCicco. “I wouldn’t have guessed that we would have gotten, statistically speaking, an equally strong response.” More>

Hue, a wireless lighting system, allows you to “tune” your lights to up to 16 million different colors. 
You can control them remotely so that you don’t walk into a dark house. You can adjust the color or intensity to increase concentration or relaxation, based on years of studies on the effect of light on human behavior. Hue can even produce gentle reminders, so that your hallway lights automatically turn blue on a rainy morning (Bring your umbrella today) or so your house lights dim steadily beginning at 8 a.m. (Time to catch the train). Thanks to LEDs’ ability to accept digital signals, in other words, home illumination isn’t only about seeing or feeling better. It is an atmospheric conveyor of information, too.
"We’ve been making lighting products for 120 years, and until last year, for the home, all they did was turn on and off. We thought: Why not do more with it than just turn it on or off?" 
How Philips altered the future of light

Hue, a wireless lighting system, allows you to “tune” your lights to up to 16 million different colors. 

You can control them remotely so that you don’t walk into a dark house. You can adjust the color or intensity to increase concentration or relaxation, based on years of studies on the effect of light on human behavior. Hue can even produce gentle reminders, so that your hallway lights automatically turn blue on a rainy morning (Bring your umbrella today) or so your house lights dim steadily beginning at 8 a.m. (Time to catch the train). Thanks to LEDs’ ability to accept digital signals, in other words, home illumination isn’t only about seeing or feeling better. It is an atmospheric conveyor of information, too.

"We’ve been making lighting products for 120 years, and until last year, for the home, all they did was turn on and off. We thought: Why not do more with it than just turn it on or off?" 

How Philips altered the future of light