If you honestly don't believe the world is unambiguously better now than it was 20-30 years ago, you've been living under a continental plate the entire time. The world has gotten better in almost every way including the rapid fall in poverty rates, more reliable sources of food and medicine, and better access to technology for even the poorest folk. All the problems that seem so overwhelming now like the threat of nuclear war, growing confrontationalism between and within countries, or extreme nationalism were way worse before the 90s (unless, of course, you honestly believe that the United States is the only nation on the planet and you have a nostalgic predilection for the "good ol' days"). Not to mention that the majority of the world has finally recognized and united around solving the single greatest threat to our civilization, a threat that pretty much irreversibly changed our climate by the time we identified it and became completely unavoidable by the 1990s.

If all you're going to do is provide a link to an arbitrary countdown with scary words like "nuclear" and "catastrophe" as your evidence, might as well skip the sciency sounding fluff and just link one of Nostradamus's books. Until then, I'll fondly remember just how priveleged I was growing up in the Soviet Union and reconstruction-era Russia. /s