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CMV: the fight against climate change will be impossible because of compromises.

I'm not sure how to title this CMV, but I'm starting to think that it will be impossible to stop climate change from doing too much damage, from flooding low-height densely populated areas, from making deserts (more) uninhabitable. There are too many compromises to make in order to stop the damage from being too big but also to prevent the suffering of some people. 1- Airplanes On one hand, airplanes cause a lot of pollution because of the fuel. Kerosene is the only fuel available that is cheap, energy-dense and light to power a flying beast of metal. Batteries are too heavy and aren't energy-dense enough for that. It's almost as if human beings aren't supposed to fly. The heaviest extant flying animal has an average weight of less than 20 kg. Pterosaurs existed, yes, but they are extinct and I think they'd have a hard time flying in our current atmosphere with too little oxygen. On the other hand, there are some some places that are too geographically isolated for roads or train tracks. Yes, they are accessible by water vessels, but water-based transportation is too slow, especially for those communities who can't be self-sufficient. 2- The Amazon rainforest On one hand, preserving it is important. Not just because of the biodiversity, but also because of its weather regulation capabilities. On the other hand, the Amazon is no Antarctica, it has people living in it, it has cities in it. They need infrastructure that can't be built because of extreme environmental regulations. Yes, there's a risk of the roads and train tracks (again, water travel is slow, and not everything can be transported via ships) causing even more deforestation in their surroundings, but the Brazilian north is poor for a reason. 3- Energy Renewable energies still can't supply the energy demand on their own and nuclear stations take too long to get ready and got their reputation destroyed by Fukushima and Chernobyl (there's also the issue of the disposal of the nuclear waste, those take literally millennia to become safe). I fear that, even with the increase of capabilities, renewables still couldn't supply because the demand also increased. 4- Food On one hand, agriculture and livestock (especially the latter) take up too much space that could be used for nature preservation and for planting trees to suck up the excessive carbon in the atmosphere. On the other hand, there are people living in places that can't support intense agriculture because the soil sucks and/or because their biome is too important (*cough* Amazon *cough*). Also, being able to follow a vegan diet is a privilege. There are the people whose lifestyle require a lot of protein, people recovering from eating disorders (they can't have a diet that is too restrictive), autistic people who only eat a very specific diet (and they are often repulsed by vegetables), people who simply can't give up meat because they like it too much, among other groups who can't go vegan.