1. Obama’s New Carbon Rules: What Price Regulation?

    Can good economic times roll while carbon emissions decline? Maybe so.

    CO2 vs the Economy, 2010-2012

    It’s just a three-year span, but from 2010 to 2012, U.S. CO2 emissions declined while ...READ MORE

  2. Obama’s New Carbon Emissions Rule: Drumroll Please…

    An historic event or an historic trend?

    No real surprises here. Through a series of leaks and pre-announcements, we all knew before this morning that President ...READ MORE

  3. States of Denial: We Don’t Need No Fracking Info

    Oil and gas interests trump truth for many state legislators. The first of a two-part series.

    First a quick note to our readers: TheGreenGrok tries to ...READ MORE

  4. Top 10 Environmental Stories of 2013

    The winter solstice is behind us, and the holiday season is upon us. Before we sign off for 2013, here’s TheGreenGrok’s take on the top ...READ MORE

  5. The Latest on Earthquakes: Enhanced Oil Recovery Shaking Things Up in U.S.

    Evidence linking carbon dioxide (CO2) injection to earthquakes may be bad news for carbon capture and storage.

    The extraction of both natural gas and crude oil has risen ...READ MORE

  6. The Oil Boom Produces Another Spill

    In late September more than 865,000 gallons of Bakken oil (see map [pdf]) spewed from a pipeline onto a North Dakota farmer’s wheat fields.

    Oil Boom, Pipeline Bust

    The ...READ MORE

  7. Fracking Water: It’s Just So Hard to Clean

    Crossposted with National Geographic’s Great Energy Challenge blog

    Another crack in the “fracking is safe” story for the industry to address.

    You know that fracking thing? For ...READ MORE

  8. Natural Gas Study: Allays Fears for Some, Inspires Hot Air From Others

    Long-awaited research results suggest methane leakage small.

    The rise of two particular techniqueshorizontal drilling and hydraulic fracturing or fracking — to extract natural gas from layers of ...READ MORE

  9. Fracking Waste Wells Linked to Ohio Earthquakes

    Post updated 9/5/2013.

    Was lack of government regulation at fault?

    It’s a common complaint these days: government regulations have gotten out of hand (see here and here), they’re ...READ MORE

  10. Fossil Fuel Collateral Damage

    Could your neighborhood be next?

    Neighborhoods can be turned upside down by shale oil and shale gas drilling (see here and here), by pipelines dug through backyards, and ...READ MORE

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  1. Jun 28, 2014 by Curt Richardson

    Green Groks never die they just "pine" away. Thanks for years of making science more unde ...READ MORE

  2. Jun 22, 2014 by Johnf193

    Appreciating the time and energy you put into your blog and in depth information you provi ...READ MORE

  3. Jun 19, 2014 by CrisisMaven

    Sorry to hear. I was a casual but constant reader, though this is my first comment. You do ...READ MORE