The hole in the ozone layer was one of the most serious climate emergencies in human history. There were fears it would have a huge impact on humans, wildlife, and plants. As a result, the world came together to tackle the problem. Key here was the Montreal Protocol, an international treaty to ban the production and use of ozone depleting substances (HFCs). While there were fantastic results, including recovery of the ozone layer, we still have climate problems. Nitrous oxide has now become a serious threat. We want to have a closer look here to see why it is vital to control emissions. Things like more effective fertiliser use are vital to achieve this. Continue reading
