Even if you don’t believe in climate change you still have to breathe the same atmosphere and get the same respiratory problems. What a joke you can’t have it both ways. We might as well go back to living in the dark ages and go everywhere by sailboat or horseback. It’s like 5 steps fwd and 30 steps back. Burning coal, deforestation and animal agriculture are the 3 biggest contributors flying is damaging yes but the worlds climate won’t be fixed if ordinary people stop flying and recycle big companies and governments need to stop burning coal. Build the expansion and promote economic growth, the Paint me green and call me a pickle because I’m done dillin’ with you shirt to places like China has a rather small environmental impact, if we don’t expand another country will and therefore the UK loses out as usual. I’m up for other areas of the UK such as energy going sustainable and reducing carbon but let Heathrow expand its running at capacity.