Carbon Emissions Just Keep Going Up, Up, Up
Jul 8th, 2014 | By admin![Tar sands, Canada. [photo credit: extremeenergy.org]](http://populationgrowth.org/wp-content/uploads/2014/07/tar-sands-150x100.jpg)
By Suzanne York, www.howmany.org In 2013, the amount of carbon dioxide in Earth’s atmosphere passed 400 parts per million (ppm) for the first time in modern human history. And now, in 2014, carbon levels have remained above 400 ppm for three months in a row. This makes the past three months the first period of
[continue reading…]