First, you've got those folks who are in deep denial about how much we've utterly fucked our climate, i.e. "don't look up, just vote down!" Included in this group are those who think/feel "things got better over the past 100 years, so the next 100 years must be better too!"
Then you've got the astroturfers who are paid to minimize any discussion of climate disaster for whatever reason; governments, political movements, oil companies, etc. I see those in comments on the larger newspapers, they swarm in and state contradictory "facts" that confuse people and shut down discussion.
Personally, after the experience of COVID-19, the inability of governments to give up the easy money from oil etc, and the lack of reaction to extreme weather events, I think humanity is utterly doomed. If anyone survives, I don't think there will be more than a couple million people left at the end of this century.
People talk about "oh we'll just do X, Y, and Z to fix things" while forgetting that we'll have to do those things while dealing with:
Ecosystem and food supply collapse.
Resource wars.
Massive refugee migrations.
Worsening climate.