Nobody is suggesting that it's either necessary or possible for the climate to never change at all, even slightly. The point being made is that climate change o

Nobody is suggesting that it's either necessary or possible for the climate to never change at all, even slightly. The point being made is that climate change of too large a magnitude, occurring too quickly, is damaging, potentially even catastrophic, so we need to mitigate the change in order to mitigate the damage.