Xcel Energy, the dominant electricity and natural gas supplier in eight states from Wisconsin through the Dakotas to Texas, with $11 billion in 2017 revenues, and 3.3 million electric and…
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Xcel Energy, the dominant electricity and natural gas supplier in eight states from Wisconsin through the Dakotas to Texas, with $11 billion in 2017 revenues, and 3.3 million electric and…
Naam, Smaller, cheaper, faster: Does Moore’s law apply to solar cells?, Scientific American, March 16, 2011. Click for link. Paris commitments are generally about 80 percent emissions reductions by 2050…
April 13, 2018: Recent ocotillo mortality from drought stress and flathead borer, Glen Springs Road, Big Bend National Park. Mortality is anywhere from triple to 10x normal and includes pines,…
Padre Island National Seashore, 52 miles beyond the “Four-wheel Drive Only” sign. Dune erosion from normal biannual high tides — the King and Spring Tides in October and April. NOAA’s…
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