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Articles on Renewable energy

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Checking the power output of a photovoltaic concentrator array built by Martin Marietta, Inc., at Sandia National Laboratory in Albuquerque, New Mexico. USDOE/Flickr

With a tight federal budget, here’s where to focus clean energy research funding

President Trump’s budget reportedly will slash funding for clean energy research and development. An energy expert explains the importance of government support and spotlights some key opportunities.
Lessons from the Lone Star State: A surge in wind power on the Texas grid didn’t cause reliability problems (and brought down electricity prices) because regulators improved the efficiency of wholesale electricity markets. Sarah Fields Photography/Shutterstock.com

Are solar and wind really killing coal, nuclear and grid reliability?

Energy Secretary Rick Perry wants to know if wind and solar are compromising the reliability of the grid and hurting coal power. The answer lies in his home state of Texas.
Over a period in which the Australian economy saw around 600,000 additional people get jobs, employment in the renewables sector has been going backwards. AAP Image/City of Sydney, Damian Shaw

Three charts on: the incredible shrinking renewable energy job market

Estimates released by the Australian Bureau of Statistics suggest that the number of direct full-time equivalent jobs in renewable energy activities has continued to fall from its 2011-12 peak.
To manage renewable energy efficiently, all weather variation need to be taken into account. Greg Clarke/Flickr

An algorithm to improve the renewable energy production

Relying less on fossil fuels is one of the key challenges of energy transition, and taking weather variations into account can help increase the overall efficiency of a renewable-energy system.
Wind turbines require massive structures that are polluting to produce and can harm ecosystems, but these impacts compare favorably with those of fossil alternatives. www.shutterstock.com

Does ‘green energy’ have hidden health and environmental costs?

No energy source is perfect, but solar and wind have a much lower health and environmental footprint than fossil fuels, a study finds. Biopower, though, is a mixed bag.

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