Scientists have said that they already believe the Northern Hemisphere has hit the point of no return. The damage that has already been done is irreversible and the climate may never be the same. This came in light of record sea ice melts. The article is below is very interesting and depressing.
According to an article released in 2009, if we stopped emitting carbon dioxide now, the climate would go back to normal in 100 years or 200 years. However, it has been said to be an irreversible change that will last for more than a thousand years. Click the link for more information.
Conservatively, I think about twenty more years until global warming is irreversible. Nevertheless, I truly believe that we have already done to much harm to the environment to actually fix it. Nevertheless, nature will eventually be “fixed,” but without humans. Global warming will lead to the destruction of humans, not nature and the world.
A climate change tipping point that is irreversible to is likely to occur within the next 20 years. Climate change will be accelerated by the melting of the arctic as huge quantities of organic carbon will be released from frozen plant matter and ice in permafrost regions. This will happen as part of a vicious feedback loop. As atmospheric carbon dioxide increases, surface temperatures will follow due to the greenhouse effect. Permafrost will thaw releasing more carbon to exacerbate the greenhouse effect and warm the planet even more. A study suggests that between the years 2020 and 2030, the arctic will transition from acting as a sink for carbon to becoming a source of carbon which will accelerate global warming.
I have heard that the effects of global warming that we are experiencing today are due to the emissions we created a long time ago when we started industrializing. Now that most of the world is industrialized and emitting alot more greenhouse gases from burning coal and fossil fuels, it is difficult to say how our actions today will influence global warming in the future. I think that if we change our actions soon, global warming may be reversible in the long future, but before the world goes back to normal, we, or future generations, will see severe and disastrous consequences to our actions today.
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