Carbon dioxide concentration reaches 400 ppm

Given how Humankind keeps on spewing dozens of billion tonnes of carbon dioxide each year, this was expected : carbon dioxide concentration have reached 400 parts per million. While this may sound mundane to most people, this is a real event, and one that could have dire consequences. Last time CO2 concentration were this high,… Continue reading Carbon dioxide concentration reaches 400 ppm

CO2 concentration reaches 400 ppm

This is historical : carbon dioxide concentration has reached in several places over the arctic a concentration of 400 parts per million. This doesn’t seem to be much, but pre-industrial levels were of 280 ppm. As you might remember, the safe level is considered by the scientific community to be at 350 ppm. CO2 concentration… Continue reading CO2 concentration reaches 400 ppm

NASA study backs 350 ppm objective

A new study by the NASA is bringing more credence to the fact we need to go back to carbon dioxide concentration of 350 parts per million.  This will hopefully be a huge boost to the 350.org campaign. As Climate Progress reported : ” According to calculations conducted by Hansen and his colleagues, the 0.58… Continue reading NASA study backs 350 ppm objective

Climate change is not a technological issue

I have been knowing it for years as I read Jean-Marc Jancovici‘s books : current technologies can solve our climate and energy issues. This is corroborated by a joint statement by eleven of the world’s largest engineering organisations. To Climate Progress : “The technology needed to cut the world’s greenhouse gas emissions by 85% by… Continue reading Climate change is not a technological issue

International Day of Climate Action

Today is special as 350 is organizing the International Day of Climate Action. In 181 countries over 5200 events are taking place for the most widespread day of environmental action in the planet’s history. 350 is “ an international campaign dedicated to building a movement to unite the world around solutions to the climate crisis–the… Continue reading International Day of Climate Action