industrialization Archives – The Green Optimistic green tech news, since 2008 Wed, 19 Mar 2014 15:34:58 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Carbon Dioxide Hits 400 PPM for the Second Time in Human History https://www.greenoptimistic.com/carbon-dioxide-hits-400-ppm-second-time-human-history-20140319/ https://www.greenoptimistic.com/carbon-dioxide-hits-400-ppm-second-time-human-history-20140319/#comments Wed, 19 Mar 2014 15:34:58 +0000 https://www.greenoptimistic.com/?p=46558 Last year, carbon dioxide crossed what may be an arbitrary threshold, 400 ppm (parts per million), in the middle of May, and stayed there for a few days. Seasonal fluctuations in carbon dioxide concentration are typical, as the growth of plants in Spring, in the Northern Hemisphere, pulls carbon dioxide out of the air. As […]

The post Carbon Dioxide Hits 400 PPM for the Second Time in Human History appeared first on The Green Optimistic.

]]> https://www.greenoptimistic.com/carbon-dioxide-hits-400-ppm-second-time-human-history-20140319/feed/ 1 46558 The Seven Biggest Contributors to Climate Change https://www.greenoptimistic.com/seven-biggest-contributors-climate-change-20140122/ https://www.greenoptimistic.com/seven-biggest-contributors-climate-change-20140122/#comments Wed, 22 Jan 2014 19:08:06 +0000 https://www.greenoptimistic.com/?p=45361 Climate change isn’t the work of one person over a short period of time, or even of a few people over decades. Thanks to the concerted efforts of billions of people over the last couple hundred years, climate change has become a recordable phenomenon, about +0.74°C between 1906 and 2005. Interestingly, it’s not simply a […]

The post The Seven Biggest Contributors to Climate Change appeared first on The Green Optimistic.

]]> https://www.greenoptimistic.com/seven-biggest-contributors-climate-change-20140122/feed/ 1 45361