Carbon dioxide rising to dangerous levels

The recent news from the World Meterological Association that the level of carbon dioxide in the northern hemisphere atmosphere has reached 400 parts per million for the first time, points to an increasingly serious problem. If greenhouse gasses (of which CO₂ is the most prevalent) continue to increase, then world wide temperatures will also continue to rise, leading to the global warming risks of heatwaves, droughts and rising sea levels (for more detail on the risks presented by climate change,…