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The report Climate Change in the American Mind documents a continued upward trend in Americans’ concern about global warming, as reflected in several key indicators tracked since 2008, including substantial increases in Americans’ certainty tha
Supplemental lighting can enhance yield when sunlight is limited, as in winter. As the effect
of frequent cloudy or rainy days in other seasons on plant growth and yield remains unclear,
U.S. urban land increased from 2.6% (57.9 million acres) in 2000 to 3.0% (68.0 million acres) in 2010. States with the greatest amount of urban growth were in the South/Southeast (TX, FL, NC, GA and SC).