The hour is later than we know regarding climate change. Authoritarianism is the only way for governments to maintain control for as long as possible, protecting the powerful.
Collapse of civilization is right around the corner.
The ability to grow, store, and distribute grains at scale is necessary for the continued existence of civilization. Climate change will destroy this in short order. Once that ability is gone, so will be civilization.
Countries like the PRC are making vast strides in the way of fighting climate change and emissions. We won't be able to avoid all of the consequences of climate change, but we can minimize the damage and develop methods of environmental engineering.