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  • A few years ago we spoke with John Dankosky of WNPR about the need for strong national leadership to eliminate dependence on OPEC oil, and the economic and social benefits of a coordinated energy revolution. Not much has changed since then. Listen to the interview here.

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Dan Dickison

Thanks for the useful information about the plastic bag issue. I continually find that sales clerks are suprised when I refuse the bags and carry an armload of goods out to the car instead, which is what I've taken to doing in the past year. My suspicion is that managers at many stores, primarily grocery stores, are instructed to "push" bags on customers. Certainly there's a marketing value to having bags out their with your logo and word mark, but it's also quite possible that some bag purveyors have a quota system in place with the stores that buy and use their bags.
Think of the consumers' role in this instance as that of educator. We need to convey to the sales clerks that it's not necessary for them to give us bags, and in fact, it's damaging for them to do so. If you impart this info in a friendly way, and enough consumers do so, we'll cultivate the clerks as allies in this effort and they can reform the behavior of their managers.

Padraig Murchadha

My understanding is that while the plastic bags may break down over time, the residue is polymers that never break down.

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Do the Math

  • With some simple arithmetic and the help of our Gasoline Energy Equivalents and Conversion Calculator, you can relate energy from different sources in varying amounts. A gallon of regular gasoline is a good benchmark to work from; it's familiar to everyone, yet its energy potential, compared to other sources like pounds of coal, therms of natural gas, or kilowatts of electricity, can be surprising.

    We also have a Therms & Barrels Calculator that lets you compare equivalents related to the energy in a barrel of oil.

    When thinking of energy use and potential waste and savings, keep in mind the concept of "pure" energy, no matter how it's expressed or what source it comes from. The important thing is how much energy is needed to do a specific amount of work. Energy consciousness means thinking about how efficiently you can apply the energy to the work, ranging from how you manage your water heater to how you approach and leave a stoplight in your car.

    No one can be entirely energy efficient, and we all have thresholds of patience, comfort, and enthusiasm. But energy consciousness itself, and the formation of at least some good personal energy habits, will make a big difference when we put all our habits together. Other good calculators:

    Soltrex Interactive Energy Calculator
    EIA Energy Kids Page Calculator
    U.S. Department of Energy Calculators

Energy Posts and Essays

One Good Move...

  • Change a light bulb from incandescent to compact fluorescent. Just do that one thing, and you'll make a significant contribution. No kidding. Here's a link to some information about compact fluorescent bulbs on this site. For all sorts of other simple ideas, visit Precalculated Energy Savings.

    NOTE: Compact fluorescent lights contain small amounts of mercury -- poisonous to the environment if dumped in a landfill. Do not throw these bulbs (properly called lamps) away when they finally wear out. They need to be recycled. Large retailers like Wal-Mart and Ikea accept used bulbs for recycling.

    To find out how best to recycle in your locale, go to www.earth911.org and enter your zip code. This is, by the way, a superb website for all things environmental – active, committed, and well-designed.

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