Let's take a look at the world at a 50,000 foot level. We are in the first third of the 21st century, and history will review us as having lived through the birth of the electronic age and the early days of the Internet.
However this is only true for portions of the world, As even at this time there are still third world, and underdeveloped countries that don't have reliable access to clean water much less to the Internet and electronics. This is not yet seen as a global problem. Additionally there is a level of sophistication necessary to discern and understand the difference between truth and misinformation on the Internet and in public media, which is not fully present in all of the countries that do receive such services. While many citizens across the globe do have that level of sophistication, it is fair to say that somewhere around 1/3 of the population is likely to believe falsehoods and follow conspiracy theories.
The world has just experienced three hottest months on record. There's evidence of significant melting of the polar ice caps, glacier fed lakes, and other permafrost areas across the world. This is seen as a global problem by some people, but is not fully accepted by others. Additionally there are still societies on this planet which are not Industrialized enough to understand the implications, ironically meaning they are most likely not contributing to the global warming issues, and are yet often the most impacted by it. The second fact is also ironically impacted by the first fact. Clearly misinformation impacts the world's ability to address climate change.
Religion is still prevalent and influential in most of the populated world although atheism does gain traction every year, as even some people raised religiously transition to viewing it as more of a culture, and a system of common beliefs, then as a strict history or word of God. Often this is considered a humanistic view of religion. However there are still significant number of religious extremists across every major religion, which often interfere with democratic governments, and attempt to influence society based on their belief.
As human life is only an average of 75 years, and most people only experience one or two generations born before them or after them. Additionally if you are lucky enough to be born in a sophisticated country the first 25 are spent growing developing and learning enough to be able to participate In the world, and then another 15 to 20 to experience enough of life for context before you truly experience enough to really understand. This all presumes you aren't living in an area of war, famine, or poverty and you live long enough and are free to pursue education and a normal way of life.
The combined impact of various global belief systems, vastly different scales of education across the world, intentional misinformation, greed, political power struggles, and ideological differences over a relatively short life span present an existential threat.
Will humanity advance far enough to not cause it’s own extinction. One thing I know for sure, Mars is proof that a planet which once had an atmosphere capable of sustaining water on its surface might not forever.