Sparkles are defined as intermittent, small-scale lightning discharges near the top of thundersto...
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Recent warming has stimulated the productivity of boreal and Arctic vegetation by reducing temper...
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Measurements of the rate of increase of atmospheric CO2 and calculations of the global CO2 budget...
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The Ozone Monitoring Instrument (OMI) flies on NASA's EOS-AURA satellite, launched in July 2004. ...
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