The problem with the current climate change is the rate of change. Yes, the climate has been warmer at various times in the past and life survived (though it ch

The problem with the current climate change is the rate of change. Yes, the climate has been warmer at various times in the past and life survived (though it changed as a result). The problem is that the rate of change is too fast for ecosystems to adjust without collapsing. Plants can’t adapt and move quickly enough. The animals that depend on them cannot evolve fast enough to avoid starvation. Extinctions happen faster and greater as a result. That is bad for humans. Even in those slower climate changes in the past, areas suitable for agriculture were often deserts or otherwise unsuitable for human needs. Humans can adapt to some extent but we are dependent on the ecosystems around us. As we try to adapt, you see floods, fires, drought, disease, starvation. these lead to migration, conflict and war. Even if you survive the changes, it may not be a world that you want to live in.