What, precisely, is the climate change which concerns you? There have been at least four periods in the last ten thousand years warmer than today. Do you have any evidence these were bad for humanity?
In the last two thousand years we’ve had the Dark Ages Cold Period and the Little Ice Age. Have these been good for humanity, bad for humanity, or neither?
Historically, the cold periods have been disasters and the warm periods beneficial.
Is there something besides minor temperature changes which concerns you?