Extinctions and catastrophes almost always involve multiple factors.
The impacts of climate change are here with soaring temperatures, stronger hurricanes, intensified floods and a longer and more severe wildfire season. Scientists warn that ignoring climate change will yield"untold suffering" for humanity. But if things are going to get that much worse, could climate change make humans go extinct?
However, it's possible that climate change will still threaten the lives of hundreds of millions of people, such as by leading to food and water scarcity, which has the potential to trigger a societal collapse and set the stage for global conflict, research finds. Too hot to handle?Humans are increasing the amount of greenhouse gases, such as carbon dioxide and methane, in the atmosphere through the burning of fossil fuels and other activities.
Venus has the runaway greenhouse effect, but it is much closer to the sun and has a much thicker, carbon dioxide-rich atmosphere that traps more heat than Earth's, Live Science previously reported. The science doesn’t support the notion of runaway warming scenarios, although climate doomists often make such claims, Mann said."There’s no reason to exaggerate the climate threat. The truth is bad enough, and reason enough to take dramatic action.
"If I'm to say, what do I think is the biggest contributor to the potential for human extinction going towards the future? Then climate change, no doubt," Kemp told Live Science. Scientists don't know why Neanderthals went extinct about 40,000 years ago, but climatic fluctuations seem to have broken their population up into smaller, fragmented groups, and severe changes in temperature affected the plants and animals they relied on for food, according to the Natural History Museum in London. Food loss, driven by climate change, may have also led to a tiny drop in Neanderthal fertility rates, contributing to their extinction, Live Science previously reported.
New Zealand would be expected to hold up the best with other favorable conditions, including a low population, large amounts of good quality agricultural land and reliable, domestic energy. So, even if climate change triggers a global civilization collapse, humans will likely be able to keep going, at least in some areas.
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