Ok, explain how the average temperature of earth was 15c higher millions of years ago then? If those cycles and numbers are facts of course.
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Global Warming Discussion (5 Viewers)
- Thread starter Hust
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I never understood this obsession with pointing to historical statistics as if it changes the issue. What's the point.
Is it sort of a , "What? You mean this climate crisis already happened before on earth when the only living things were pterodactyls? What's the big deal then? Go back to work."
"Oh, yes, there was no polar ice in the past and most land was covered by oceans. So nothing to worry about here folks... It's not human-caused. This is natural and we all can drown in our coastal cities with happy faces on!"
Dafuq?
Is it sort of a , "What? You mean this climate crisis already happened before on earth when the only living things were pterodactyls? What's the big deal then? Go back to work."
"Oh, yes, there was no polar ice in the past and most land was covered by oceans. So nothing to worry about here folks... It's not human-caused. This is natural and we all can drown in our coastal cities with happy faces on!"
Dafuq?
Why are you fixating on numbers from 50 million years or so ago? Why not take it back to 3 billion years ago when the Earth was about 3000°C warmer than today? The cycle I am referring to is relative to the last few millions years, perhaps.
Earth's geology is believed to have caused the rise in temperatures, i.e. volcanic activity and the release of CO2 and methane into the atmosphere in huge amounts. Similar to what has started to happen now, only this is in a 150-year period as opposed to thousands of years or tens of thousands. For example, volcanoes emit about 200 million tonnes of CO2 per year today, but man-made CO2 emissions are in the 30+ billion tonnes per year range. The problem is that the Sun is hotter now than it was millions of years ago so it accelerates warming from greenhouse gases.
Earth's geology is believed to have caused the rise in temperatures, i.e. volcanic activity and the release of CO2 and methane into the atmosphere in huge amounts. Similar to what has started to happen now, only this is in a 150-year period as opposed to thousands of years or tens of thousands. For example, volcanoes emit about 200 million tonnes of CO2 per year today, but man-made CO2 emissions are in the 30+ billion tonnes per year range. The problem is that the Sun is hotter now than it was millions of years ago so it accelerates warming from greenhouse gases.
Climate Change isn't an issue for the Earth itself.
Like you said, the climate keeps changing over millions of years, and the Earth always adapts eventually.
However, the rate of warming right now (which isn't natural btw: it is largely due to greenhouse gas emissions) is so high that many animal species will not be able to adapt and will perish. With rising sea levels due to melting ice caps, millions of people risk losing their homes. Freak weather occurrences are becoming more and more common, and will lead to droughts, floods, hurricanes, storms etc which will cause tremendous loss of life and property. Climate refugees will increase exponentially and so will wars and conflicts over valuable natural resources.
The earth will recover to the new normal eventually, but the damage done to human civilization will be devastating.
Like you said, the climate keeps changing over millions of years, and the Earth always adapts eventually.
However, the rate of warming right now (which isn't natural btw: it is largely due to greenhouse gas emissions) is so high that many animal species will not be able to adapt and will perish. With rising sea levels due to melting ice caps, millions of people risk losing their homes. Freak weather occurrences are becoming more and more common, and will lead to droughts, floods, hurricanes, storms etc which will cause tremendous loss of life and property. Climate refugees will increase exponentially and so will wars and conflicts over valuable natural resources.
The earth will recover to the new normal eventually, but the damage done to human civilization will be devastating.
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Earth will always adapt and even if you tried to destroy it, you couldn't. So it's better to stop the propaganda with those lines "save the planet" etc, because planet isn't going anywhere no matter how big of an atomic bomb you dropped in here. It's the life in here that would go away, alongside with the animals and humans. Alot of animal species are extinct today and humans have nothing to do with it, so things will be always going into extinct and that ain't something that's humans can't change. Or maybe they can, but then we can back to what's "natural" and what's not. Earth has been around for way longer than humans have, so is it actually "normal/natural" to have humans walk around in the planet of earth or is it just the "new normal" that you were talking about.
Climate refugees etc, that's just BS. They don't need the climate change to be some kind of refugees.
Climate refugees etc, that's just BS. They don't need the climate change to be some kind of refugees.
