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In terms of climate change, what are some reasonable / speculative scenarios for the Indian sub-continent in the general timespan of 2070 - 2100? Hotter patches? Flooded areas?

I am basically looking to build a speculative map of the future for the sake of a story I am writing. I am focusing on India, but informed guesses about the neighbouring regions is also welcome. I understand I am asking for speculation.

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closed as too broad by MichaelK, SZCZERZO KŁY, ArtificialSoul, Blade Wraith, Vincent Aug 8 '18 at 13:06

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    $\begingroup$ Check out this relevant website: ipcc.ch/publications_and_data/ar4/wg1/en/… $\endgroup$ – boxcartenant Aug 8 '18 at 5:35
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    $\begingroup$ Welcome to worldbuilding. When you have time, take the tour and visit the help center. As you might have noticed, we are focused on worldbuilding problems related to fictional worlds, while yours seems more like a (sound) earth science question. Can you clarify the worldbuilding part? $\endgroup$ – L.Dutch Aug 8 '18 at 5:56
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    $\begingroup$ @Starpilot even within the same study, there are several scenario: +2 degree or +5degree at two very diferent scenarii.. $\endgroup$ – Kepotx Aug 8 '18 at 7:02
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    $\begingroup$ Hello @VijayendraMohanty, and welcome to Worldbuilding. Your question has some merit but unfortunately is much too broad to be answered here, and it will be based next to entirely on speculation. We cannot even tell how the world will develop in the upcoming 82 years whithout climate change. Your question essentially fails the "Write a book" test: an answer to your question will easilly fill an entire book just expositioning how the world has developed in 82 years. So here is the cheap and easy way out: you decide... you are the author, you are building the world. $\endgroup$ – MichaelK Aug 8 '18 at 8:05
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    $\begingroup$ The only thing you can be reasonably sure of (most current projections say so) is 80-100 cm sea level rise. But that still gives you a lot of possibilities, and actual developments in the next 60 years may overtake the predictions. $\endgroup$ – Jan Doggen Aug 8 '18 at 11:44
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It depends which climate change commentator(s) you talk to; Guy McPherson will tell you that there want be anything left alive on Earth to care what India looks like long before 2070. The likes of Tom Coburn on the other hand will tell you that there is no such thing as climate change and it's a non-issue.

If you want to write about a world damaged by climate change you need to decide on the level of effect you want to convey and then you can use tools like Calculated Earth to get an idea of what that will mean in the part of the world you wish to focus on.

Remember melting all existing land and sea ice is going to raise sea-level a maximum of about 66m.

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As lots of the other comments have mentioned, no-one knows what an environment subjected to climate change would look like in future years.

Seas rising, higher temperatures, violent storms etc. There is no "right" answer, so you would need to choose what you think could happen.

Personally, I think one of the biggest changes could be when food and other critical resources start to become scarce and mass civil unrest breaks out. You could see entire countries fighting amongst themselves for whatever remains of foodstocks.

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