Questions tagged [climate-change]

For questions about planetary climate change.

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3
votes
1answer
102 views

How Quickly Would the Pioneers of this Seeded Jurassic World Alter the Climate?

Sometime last month, I have compiled a comprehensive list of all the prehistoric creatures featured in the bulk of the Jurassic Park franchise--in the five established films, in the upcoming Dominion ...
-2
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1answer
72 views

World wide electricity network [closed]

What if the UN, backed up by all nations would by a huge land from some country, lets say Russia and build there lots of nuclear power plants to power up the entire world? There will be world wide ...
4
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0answers
110 views

If the Earth is completely covered by mirrors, how quickly does it freeze?

Suppose all areas of the Earth is suddenly covered in indestructible mirrors (assume they reflect 70% of solar energy that would hit the land/ocean), how quickly will the increase in albedo cause the ...
6
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3answers
106 views

Nesting abilities of migratory interdimensional creature

I'm waving hands a fair bit here, and I am doing that because I believe that it is internally coherent, so if you accept these things, you shouldn't need the story to suggest answers. I'm including as ...
3
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3answers
269 views

Consequences of heat redistribution on the climate of a planet

There are three types of magic system in the world I'm building. One of them, Sundancing(tentative name), can manipulate thermal energy. So they are able to take energy from an enviorment, cooling it ...
8
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5answers
526 views

What would happen if we built a huge cofferdam around Hawaii and drained the water?

I had an idea for a sci-fantasy story set in a far future where there are primitive human settlements at the base of Mauna Kea who are unaware that they're actually dwelling on the sea floor of the ...
6
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2answers
111 views

How plausible is this volcanic eruption event? Dark Age without total extinction of Stone/Bronze/Iron Age people?

At the end of the desert's westward Great River (think the Nile in Egypt) there is a volcanic island called Harek-Set. Its black mountain is a hotspot volcano which produces obsidian and makes the ...
13
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3answers
1k views

Can one nation purposefully, inconspicuously, cause global warming?

The People's Dominion of North Kadana is an arctic isolationist dictatorship, with lots of territory but it is all barren frozen tundra. Their plan: heat up the world by a few degrees, making their ...
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5answers
220 views

Would solar energy have been viable during the extinction of the dinosaurs?

I've been imagining a world where several coincidental factors drastically reduce the temperature of the world, leading to global cooling. Lots of snow may be involved, but I imagine there would be ...
4
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2answers
147 views

What will Glacier Bay National Park look like in 2000 years?

I am working on a story that takes place roughly 2000 years after a worst-case-scenario climate apocalypse. It revolves around a society located in present-day Glacier Bay National Park on the Alaska/...
0
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0answers
43 views

Could we build a global renewable energy grid? [duplicate]

I’m trying to build a post-fossil fuel world for my eco thriller. So in my head it works like this: Fossil fuel is outlawed internationally amd renewable energy is mandated; each country has a ...
10
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3answers
603 views

Time estimate for converting desert to savanna/forest

I'm building a world in whose history climactic changes causes a region of desert to start seeing regular rain. This causes the native culture of the desert people to also change along with it, ...
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1answer
56 views

Could the vaporization of all the oceans push away most of the air in the atmostphere?

You may remember my question here, part of which assumed that all humans would die in one way very quickly, with minimal destruction to the planet. This question will ask about the way humans would ...
2
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2answers
198 views

How long would it take for earth to dry up?

At current global warming rates, the sea levels are rising because the ice caps are melting. But once the ice caps are all melted, the sea would stay the same. In my world, humanity's money revolves ...
11
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3answers
445 views

How much of the sun's light would have to be blocked for the Earth to become uninhabitable?

For context: I'm writing a story where the main antagonist is an empire that builds Dyson swarms around every star they can get their hands on. The protagonist lives on a planet around one such star, ...
2
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2answers
94 views

How could strange energies cause massive droughts within a localized region?

The scenario: Background Let me begin by explaining the surreal parts of this scenario: essentially there is an archipelago of islands just south of Australia that have existed under the world's noses....
5
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3answers
118 views

Best location for mass desertification?

I would like to know the best potential mass desertified location for my story set in the near future. (50-60 years.) This includes land or water, eg a dried up lake or area of farmland, or both. By ...
6
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3answers
510 views

Would a permanent rain be possible?

Would there any scientifical explanation to a permanent rain (at least 2 years) everywhere on Earth ? Climate-change ? My best explanation at this point is accelerated ice cap melting. There must be ...
6
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3answers
528 views

Could you actually make a green space program?

Is it plausible to build and maintain a space program without adding to climate change? While obviously there are larger problems in the near term with respect to climate change, I'm thinking about a ...
0
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2answers
96 views

What impact would a magical curse that saps the life from plants have on bodies of water?

I have a region in my homebrew D&D setting that used to be grassland/fertile farmland, and the breadbasket of the elven empire, until some wizards did a collective magical ritual that permanently ...
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0answers
40 views

Enhanced Rock Weathering in the Sahel Region of Africa [closed]

A recent Guardian article "Spreading rock dust on fields could remove vast amounts of CO2 from air" has gotten some attention in the nongovernmental and UN organizations working in the Sahel ...
2
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3answers
149 views

In a world where sea levels fell dramatically, what effect would that have on life at the local level? (more in the body)

Assuming the levels fell at a noticeable rate year-on-year, how long would it take the tides to be a significant (200m or so) distance from where they used to be? How long until the new land would be ...
2
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1answer
74 views

Could a new impact basin be responsible for desiccating an entire planet?

Situation: A planet similar in size to the Earth has a Eurasia+ sized continent at its South Pole. It is hit by a huge asteroid near its South Pole. This would produce a very large crater/basin. ...
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1answer
63 views

We are in 2200 and global warming hits us very bad. Can we create a winter? [closed]

Let's assume a society similar to ours, a few hundreds of years in the future. We managed to trigger a snowball effect on global warming with our fossil fuel use. Earth is very hot. The technology is ...
4
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3answers
333 views

When earth is filled to the brim with plant-life, can it cause a hyperoxic environment?

Say humans found a way to exponentially increase the capability of plants to grow. Is it possible for it to cause an environment that can cause oxygen toxicity in humans?
9
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3answers
128 views

What average global temperature would optimize Earth for human habitability?

The year is 2100. While climate change has wrought serious damage to the biosphere, humanity has at last managed to become carbon neutral, and has even developed technology that can be used to reduce ...
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0answers
52 views

What could cause massive global sea level rise? [duplicate]

I'm thinking of creating a world in which sea levels have risen by around 200 metres, leading the Earth's surface to look something like this, minus the ice: Obviously, a 200 metre rise is enormous, ...
2
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1answer
127 views

Is it possible to have a greenhouse effect this strong and still have an atmosphere breathable by humans?

An Earth mass terran planet is orbiting a sun-like star at 2AU. I understand the limit for CO2 greenhouse effects is 1.67AU for whatever reason (giving a conventional habitable zone limit), but ...
2
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3answers
185 views

Could an enormous structure be used to attract rain by acting as an artificial mountain?

If it were possible to build a giant geodesic dome tens of miles in diameter, what effect would it have on nearby weather? If built in an arid climate like the Sahara or Australia, would it be ...
5
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4answers
205 views

In an Earth with massively spiked CO2 content, how might survivors set about reducing that content?

Some cataclysmic event has transpired on planet Earth in the not-too-distant-future, and the outside air is now thick with CO2, causing all of the problems that come with it. Human beings can no ...
4
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5answers
283 views

Post- Nuclear Holocaust. Radioactive wastelands vs eco-system and chances of human survivability?

I'm attempting to flesh out the history to a sci-fi novel I'm currently writing, which is set in the future. Several hundred years prior to the beginning of the story, lack of resources lead to ...
15
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8answers
9k views

What would Earth look like at the beginning of 22nd century if temperatures rose by 30 degrees Celsius?

The beginning of 22nd century. Temperatures on the globe rose by 30 degrees Celsius over decades, because humanity was unwilling to stop greenhouse gas emissions. How would the surface of Earth look ...
3
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4answers
210 views

Need a North American location with a large city and whitewater river for post-apocalyptic fiction

My story has several key locations that I would like to ground in a real place in North America. It takes place 50-60 years in the future after 97% of humanity has been wiped out. I'm having a hell of ...
5
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1answer
682 views

What would happen if ocean currents suddenly stopped (or changed)?

I'm thinking about a device (in a story I'm writing) that could control ocean currents, and I'm wondering how it could be weaponized. For example, if an ocean current was suddenly stopped, what might ...
3
votes
2answers
121 views

Would sea levels drop in a Younger Dryas-type event?

I was imagining a sort of post-apocalyptic/collapse setting, where a few centuries of climate catastrophes brought on by climate change cause essentially your general end of the world as we know it ...
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2answers
120 views

What will my grandson see? [closed]

It’s the year 2109, despite the efforts of the heroic climate change campaigners of my childhood the tide of human progress was too much to halt. Humanity didn’t change its ways and everything ...
1
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1answer
79 views

Could a Puma survive an Impact Winter?

I'm doing some researches for my book. I've read that the impact winter which lead to dinosaurs extinction was 18 months long. Long enough to kill plant life, big herbivorous and big carnivorous. I ...
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2answers
92 views

What would happens if global warming cause enough atmosphere loss?

What would happens if due to increased volume and reduced density, the global warming cause consistent loss into space of certain gases of atmosphere? What would we observe?
6
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4answers
1k views

What adaptations would be advantageous given a regular, but extreme variation in climate?

In a fantasy world I am constructing, a planet goes through regular, but extreme temperature cycling. Roughly every 500 years, the planet begins to heat or cool, dependent on its current temperature. ...
5
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2answers
221 views

Would building a large underwater dome be possible with European Renaissance technology?

So my novel setting is a pseudo-European continent that is at a Renaissance level of technology, and over the past century has experienced rampant sea level rise. I’d imagine that this would present a ...
3
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3answers
388 views

The Earth-like world's been shrouded by darkness. For how long would the civilization be able survive?

In this setting, the Continent has been hit by several catastrophes, caused by the inner workings of planet's tectonics, and the eruption of a volcano far on the other side of the world. Gravest of ...
29
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9answers
6k views

Keeping an "hot eyeball planet" wet

Consider such a tidally locked planet: Many issues with tidally locked worlds have been discussed, but I'm not clear on how the water cycle for an otherwise Earth-like tidally locked world, would be ...
4
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10answers
9k views

Would using carbon dioxide as fuel work to reduce the greenhouse effect?

I'm trying to find a plausible way to reduce global warming in a world past the tipping point. I recently read this article : https://www.sciencedaily.com/releases/2017/11/171127173225.htm. It ...
6
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3answers
450 views

Are there semi plausible scenarios where Nuclear Winter could last a thousand years or trigger an ice age?

Trying to develop a fictional scenario with a 'believable' theory as to how a Nuclear War and resulting Nuclear Winter could turn into a millennial scale ice age. By 'believable', I mean that it ...
7
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3answers
317 views

Preserving the mammoth steppe

During much of the Late Pleistocene stage, the world's most widespread biome was the so-called "mammoth steppe" - a cold, dry grassland which spanned eastward all the way from Spain to Canada. It was ...
8
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4answers
660 views

Is a post-climate apocalypse city in which many or most insects have disappeared realistic?

Supposing climate change continues at its current "worst case" projected rates, would we see a noticeable reduction in insects down the line? I am wondering if it makes sense to have a character who ...
13
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13answers
6k views

Is this state of Earth possible, after humans left for a million years?

It is the year 4056 (or probably later). The rocket with the last residents of Earth just took off, because global warming and pollution couldn't be stopped nor reverted and Earth became uninhabitable....
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1answer
178 views

Do any of the things happening on this world actually have a chance of happening? And if they do, how long would humankind survive? [closed]

In this world, global warming has reached a tipping point. The equator has reached temperatures well over 212 degrees Fahrenheit (100 Celsius, 373 Kelvin), resulting in the "Boiling Sea". Global ...
0
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2answers
153 views

What are the logistics of wiping out the current world to the point a "new" generation of humans would not be able to find it? [closed]

Backstory I have a race of biologically advanced aliens that develop by fighting, adapting, and growing immune to the current highest standards of technology a species has to offer. By doing this they'...
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2answers
111 views

Underwater City- Applications of Nanotech

With the rise of global warming and our leaders not seeming to do enough about it, expanding our ranges past the earth's ground seems like something we must do eventually. Everyone always points to ...