Apologies @Equimum, this is about to go off topic.
I absolutely loathe hypocrites. I did work for Greenpeace, I’m vegetarian, I don’t drive, we use green energy suppliers and our house is energy efficient, I recycle and do buy 50% recycled clothes but gods knows, I’m not perfect and on that basis would not think I was in a position to lecture others on their lifestyle choices. But your sheer hypocrisy and the emotive tone of your post @AdultHumanFemale, telling the OP off really got to me, so here goes.
Mumsnet has a search function. Unless you have lied on other posts, you are a meat eater. Not only that, in your very own words, you shop at cheap supermarkets, you mention ALDI in particular. So unless you have exclusively bought your meat and dairy elsewhere, you have been purchasing the output of factory farms. Factory farming (if you are unaware) has an extremely damaging negative impact on the environment in terms of pollutants and water and energy usage. Not only that, the animal welfare is usually poor. DH works for a large animal welfare charity, he is involved in International animal welfare activity as well as U.K. activity relating to welfare in farming and encouraging supermarkets to up the anti in terms of purchasing high welfare. Aldi’s performance regarding animal welfare is very poor, particularly when it comes to chickens. So the next time you are chewing on a chicken skin or to use the same kind of language you have used above, are feeding your own children ALDI chicken, do think about the future of the planet.
If you can’t see the dishonesty of meat eating, car driving, car owning people lecturing others on flying (which while obviously not carbon neutral is less damaging than either) then you really need to give your own head a very big wobble!
And yes, donations to sanctuaries are a good thing seeing as many in third world countries have struggled to feed animals this year (to the point of serious concern about starvation) or pay their vets bills and medication. They’d go under in a world where we don’t travel. Poaching would increase substantially as communities would need to substitute income they had received from tourists. Nature reserves, forests etc would also be extremely vulnerable to being sold off by communities and governments, economically weakened by lack of tourist revenue. Endangered wildlife species would go with the sale of habitat and increase in poaching. The fact that if we don’t travel there will be a huge impact is usually completely ignored by the ‘flying is bad’ brigade. Pretty naive really.