Vocal environmentalists have, for decades, been focusing on abstract concepts of harm to the detriment of the very real problems caused by scare energy and high population. The pro-nuclear movement and the rise of family planning have done far more to control the risks than anything to do with beating people over the head with statistics. The fossil fuel industry would be an afterthought if people had responded to Chernobyl rationally instead of emotionally. Even the environmentalists have had more success by inspiring people to work on improving the cost efficiency of renewable energy than trying to convince people of their beliefs.
Climate change just isn't the biggest issue facing humanity. We're facing, literally right now, a global wave of famine, war and suffering kicked off by the poorly-advised COVID response. All the problems that climate change might cause are solved if we can just keep average primary energy/capita ratios high enough - and if that drops, our lifestyles are doomed regardless. There is a reason the environmentalists struggle to gain traction on this issue. It isn't ignorance on the part of the people they are talking to.