May 2013

Monthly Archives

  • Trends in Books

    Several recent books reflect an environmental movement broadening and shifting into a higher gear of urgency. Keeping up is becoming harder. Below is a quick rundown on three books. The first two are “think” pieces that diverge from the norm. However, for those into lean thinking, scroll down to the third one. Starting a transition […]

  • EROI and Quality of Life

    EROI is becoming the standard acronym for energy returned on energy invested to obtain it. A rough consensus of those estimating EROI from various sources is about like the chart below. Different estimators’ calculations vary because a standard methodology is not settled. Despite that, the message is clear. As the world shifts toward energy sources […]

  • Honeybee Crisis

    Last winter, between 40 and 50% of U.S. honeybees disappeared in the worst season of colony collapse disorder (CCD) since it was first reported in 2006. For a day or so, this penetrated national news. Both beekeepers and growers of crops dependent on pollination (about 25% of items in an American diet) are deeply concerned. […]