From Sunday's The New York Times, Science essay by Nicholas St. Fleur

"The amount of plastic produced each year weighs roughly as much as all humans on Earth combined."

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The CO2 reading for Jan. 10, 2016, at the Mauna Loa Observatory in Hawaii is 402.09 parts per million (ppm). This is the year that the carbon dioxide content of our atmosphere is expected to permanently remain above 400 ppm. Measurements are taken and records kept by the Scripps Institution of Oceanography.

The montly average for December 2015 was 401.85 ppm. In December 2013 the number was 396.81. 

Slowly but surely, always up. For more information go to co2now.org