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Soft Costs Most Expensive Part of Solar Installation, NREL Says

Now that it costs 75% less to produce solar modules, soft costs are the most expensive part of an installation - 64% of the final

Walgreens Opens First Net Zero Retail Store

Located in a Chicago suburb, Walgreens plans to spread this concept across its 8000

Unsubsidized Big Solar Competes With Natural Gas by 2025

Utility-scale solar will be able to compete on price with natural gas in most of the world by 2025, but the transition could be

Obama's Better Buildings Challenge Expands to Multifamily Housing

The successful program challenges building owners to cut energy use 20% in 10

Sun Number Simplifies Solar Using Big Data

So far, Sun Number has rated 7.5 million rooftops on whether they have enough sunlight to benefit from

Vestas, GE, Siemens Bring Their Gigantic Wind Turbines to South Carolina

The world's biggest turbine prototypes - up to 15 MW - will be tested and validated in

Biggest Public Schools Join on Sustainable Food

With 2.9 million children fed each day, the biggest school districts in the US are working together to get healthy food on kids' plates and use compostable …

When You Eat Out, How Sustainable is the Food Served?

REAL certification launched to answer that question, certifying restaurants and foodservice operations across the

Renewable Energy to the Rescue for California's Salton Sea

Designated as a Renewable Energy Zone, 2 GW of geothermal and other renewables will fund important habitat