kayl_breinhar t1_j25klbf wrote
Reply to comment by Turtley13 in How likely is it that Betelgeuse will supernova? by tempejkl
Nah, a supervolcanic eruption is definitely in the Top 5, maybe even the Top 3, but the more likely candidate in the near future is a continental biosphere collapse.
The entire biosphere won't fail everywhere, but whatever/wherever doesn't will be what everyone fights over, and that fighting/warring will be what kills whoever's left.
Turtley13 t1_j25mmon wrote
From climate change?
kayl_breinhar t1_j25tdjk wrote
Not just one factor. Climate change is one part of the whole when it comes to biosphere collapse. Massive use of persistent pesticides have disrupted the beneficial insect life on the planet - not just the bees. Microplastics in combination with warming and increasingly deoxygenated seas in combination with massive overfishing are killing ocean life. The percentage of wildlife on the planet is the lowest it's ever been since hominids first showed up, and we just keep making more of ourselves.
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