Julia Trigg Crawford is standing firm, even as TransCanada arrived this week to dig the tunnel for its Keystone XL pipeline. The controversial pipeline will carry diluted tar sands oil, or dilbit, from Alberta to Houston-area refineries. Crawford has challenged the oil concern in court, saying it doesn’t have proper standing to operate in Texas.

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The Associated Press reports that oil and natural gas companies are using more solar power to provide electricity to power remote monitoring stations after the hydraulic fracturing crews have left.

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Bloomberg Television’s “Bloomberg Brink” explores how cutting edge technology and high-end machinery are increasingly accessible. Here, see how Houze is redefining the American dream by producing homes that cost less to own, operate and maintain.

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Keystone XL pipeline protesters locked themselves to earth-moving equipment in Spaulding, OK, today, in one of a series of actions against the intercontinental project that would carry diluted bitumen oil from Canada to Texas refineries and ports. Opponents say the pipeline will unleash massive carbon dioxide pollution, accelerating climate change.

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Researchers at Georgia Tech University have developed an organic solar cell made of wood. The biodegradable, transparent films are designed to replace the layers of glass or plastic found in conventional solar cells, heralding the possible development of solar panels that are 100 percent recyclable.

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The Keystone pipeline opposition has galvanized, with activists angered not just over the pipeline’s heavy carbon footprint, but the lack of transparency and political influence-peddling around the DC review and permitting for the project. This week, Friends of the Earth filed an FOIA request to bring information to light about what it sees as a corrupted process.

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Quayle Hodek is a pioneer in the field of renewable energy. As the CEO of Renewable Choice Energy, Quayle has been on a mission to convince companies that switching to renewable energy is the right thing to do, for the planet and the bottom line.

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When President Obama nominated MIT’s Ernest Moniz to be energy secretary earlier this month, he hailed the nuclear physicist as a “brilliant scientist.” But beyond his job in academia, Moniz has also spent the last decade serving on a range of boards and advisory councils for energy industry heavyweights like BP and an uranium enrichment company.

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The Obama Administration released its revised environmental assessment of the proposed Keystone XL tar sands pipeline on Friday, portraying the project as a relatively safe way to transport oil from fields in Canada and North Dakota to the US heartland and ports at Houston. The review has riled environmentalists and pleased oil interests.

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The U.S. shale boom being touted as able to deliver 100 years of domestic energy supply is nothing more than the latest investment bubble, asserts a report released this week by a veteran geoscientist.

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Outraged that the EPA dropped a case against a gas company that apparently contaminated private wells near Fort Worth, environmentalists from more than 80 groups in 12 states have called for an internal EPA investigation of the case.

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Wind energy enjoyed a record year of installations in the US in 2012, adding 13,124 megawatts of capacity, according to the American Wind Energy Association.

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