I am a volunteer organizer with PauseAI and PauseAI US, a pro forecaster, and some other things that are currently much less important.
The risk of human extinction from artificial intelligence is a near-term threat. Time is short, p(doom) is high, and anyone can take simple, practical actions right now to help prevent the worst outcomes. Contact your political representatives.
That the world is highly engineerable, which can lead to the relaxation or abolition of seemingly hard bottlenecks. Also that the world can respond extremely quickly to implement those changes when the incentives are right.
Overpopulation would have been a massive problem at different points in history if not for the invention of horseless transport and high-yield, resilient cereal crops. People living in New York City in the late 1800′s or in developing nations in the 1960s and 70s were rescued from the worst hazards of overpopulation because of the motorcar and dwarf wheat, rather than the problem being entirely imaginary.
Erlich and Holdren knew about Borlaug’s work, and thought it was too little too late. But it turned out to be enough and fast!