From Lisa Burke, St Paul, Minnesota, US
Yes, carbon offsets for air travel don’t work. I, for one, won’t get on a plane until that changes. If we want to mitigate the worst effects of climate change, no one should be getting on aircraft. But people seem to feel entitled to fly to see threatened areas of the natural world for themselves before they disappear. I have actually read articles that assert the need to get to these places soon. It is obscene (Letters, 8 June).
