Yet if you are in search of such new messaging in McKay’s blockbuster Netflix film “Like other dramatizations about climate or planetary catastrophe, the film tackles trying to deal with a comet on a collision course with Earth. It is a humorous addition to the climate catastrophe genre, featuring a world where only scientists can save the planet — and only if they can persuade those in power to be reasonable.
In 1980, a team of geologists and nuclear chemists detected a bizarre stratum of the rare element iridium in the geological record around the same time as the disappearance of the dinosaurs. Theythat an asteroid impact — which would have sent enough dust aerosols into the atmosphere to alter Earth’s albedo and begin a cooling feedback loop — probably triggered an extinction event. Two years later, the atmospheric chemists Paul Crutzen and Paul W.
These twin discoveries fueled research into the question of whether nuclear weapons could be an asteroid of human design. Would a nuclear war risk a repeat of the catastrophe that wiped out the dinosaurs? Atmospheric scientists began to apply their increasingly sophisticated computer models to the potential environmental effects of nuclear war. The prospect of a “nuclear winter” soon spurred new fears.
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