The last time the world had 400 parts per million of CO2 in the atmosphere was 3.5 million years ago and our climate will steadily alter to meet that period. The sea levels were 12 metres higher and temperatures 2C to 3C higher. http://www.climateoutcome.kiwi.nz/climate-threats.html
The last time the world had 400 parts per million of CO2 in the atmosphere was 3.5 million years ago and our climate will steadily alter to meet that period. The sea levels were 12 metres higher and temperatures 2C to 3C higher. http://www.climateoutcome.kiwi.nz/climate-threats.html