solar energy
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New map of NYC shows how much you could save with solar
Solar power in New York could meet half of the city's peak energy demands. The city's been fully assessed for solar capability, using a plane-mounted radar system called Lidar that checks out whether rooftops are suitable for solar panels. Turns out a full 66 percent of them are, and the city and its inhabitants could be saving a buttload of money and energy by making use of that fact. If New York could harness all its rooftop potential, it would triple the amount of solar energy currently installed nationwide.
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Europe’s ‘solar tunnel’ is a high-speed rail line with solar panel topping
Europe’s new rail innovation is the solar equivalent of a Good Morning Burger. We take two miles of Belgian high speed rail tunnel, soak it in rich creamery butter, and then we cover it with a shelter to protect it from nearby old-growth trees, eliminating the need to cut them down. Then we top it off […]
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Smaller generation incites largest renewable energy gains
While seeming counterintuitive, a focus on smaller-scale distributed generation enables more and faster development of cost-effective renewable energy. In April, I wrote about the illusion that we can “move forward on all fronts” in renewable energy development; rather, a bias toward centralized electricity generation in U.S. policy reduces the potential and resources for distributed generation. […]
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Critical List: Christie ditches climate initiative; France opens huge solar farm
New Jersey governor Chris Christie has jumped ship from a regional greenhouse gas program, because "it's a failure." The owners of the Fukushima nuclear plant provided regulators with only a one-page memo on its tsunami and earthquake preparedness. One page. A decade ago. In Japan, the country that invented the word “tsunami.” Green tech companies […]
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Japan to mandate solar panels on all new buildings
What do you do if your country depended on nuke plants for energy, but is now too freaked out about nuclear disaster to trust them anymore? You harness the awesome nuclear power OF THE SUN! At least that’s the plan of Japan’s prime minister Naoto Kan, who announced an energy policy that may require all […]
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Critical List: Bike to work today; Amazon deforestation rate rose this year
It's Bike to Work day. Now all you bike commuters know how secretaries feel on Administrative Professionals Day: “One DAY? I’ve been doing this day in and day out all year!” The rate of Amazon deforestation has been declining in recent years; this year, it climbed again. The Brazilian government is — rightly — freaking […]
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Solar breakthrough could lead to 90 percent efficient panels … someday
A researcher at the University of Missouri is making some eyebrow-raising claims, including that a new technology he has developed could lead to solar panels that convert 90 percent of the sun's energy to electricity. If he's even a little bit right, this would be more than amazing; it would be earth-shattering. So he's probably […]
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Critical List: Solar panels and toxin-filled boilers for all
The home improvement store Lowe's is partnering with Sungevity, a solar panel company, to offer instant, in-store estimates for home solar installation. The panels can be rented for a monthly fee. There goes your excuse: Get off the grid, already. The EPA caved to manufacturers’ push to delay emissions standards for toxins like mercury and […]
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Solar PV gets grid parity for 78 million Americans with 'balance of system' best practices
Cutting non-module solar photovoltaic (PV) costs with best design practices could make solar PV cost less than grid electricity for more than 25 percent of Americans. Half of the installed cost of a solar PV array is the solar module, but the other half (the “balance of system”) involves labor, assembly, and other components. With […]
