Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [climate-change]

For questions about planetary climate change.

43
votes
27answers
14k views

How could a time traveler have prevented climate change [closed]

Let's say a Moon colonist in the future has discovered an alien time machine. A small remnant of humanity still exists on colony worlds in the solar system, but due to runaway climate change, they are ...
38
votes
6answers
12k views

What if a portal is opened from the Mariana trench to the Sahara desert?

The first portal is placed at bottom-most point of the Mariana trench (the deepest part of any ocean, located in the western Pacific Ocean) and the second is placed in the Sahara desert in Africa at ...
33
votes
17answers
11k views

Dropping ice in the ocean to stop global warming

In the TV show Futurama, an in-show infomercial mentions that Earthicans started dropping giant ice cubes in the ocean to slow down global warming. Now, Futurama is a show where science is a mixed bag:...
21
votes
8answers
6k views

How big would a satellite need to be to block out the sun?

I have a story idea that involves a human attempt to halt and reverse global climate change. The idea is a simple one - a satellite that partially blocks out the sun. The satellite is located at the ...
18
votes
6answers
3k views

What measures might an ancient civilization take to protect itself from extreme heat?

An ancient human like civilization exists on a planet like our own but warmer, with more deserts and smaller oceans. Climate change is forcing the daytime temperature slowly upwards. What measures ...
13
votes
4answers
1k views

How many “years without a summer” can society survive?

In 1815 Mount Tambora erupted throwing so much dust into the atmosphere that the year became known as "the year without a summer". *There were a few other mitigating factors but Tambora is thought to ...
12
votes
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....
8
votes
4answers
610 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 ...
8
votes
4answers
472 views

What kind of natural disaster could create a permanent, global cloud cover?

“Permanent” here meaning “significant over geological timespans”, so it would have to last at least 10,000 years and produce a thick enough layer of clouds that it would cover the entire planet in an ...
8
votes
1answer
128 views

Maintain atmosphere on moon using global warming

So, a neat thing, depending on how you look at it, about greenhouse gases is that while it's causing a raise in temperature near the surface it actually makes the upper parts of the atmosphere ...
7
votes
3answers
222 views

Can black algae promote a global warming on a cold planet?

My world is at the outer edge of the habitable zone. There is enough heat and geological activity to start life, but a snowball earth is looming and threatens to freeze it all. There is some spring ...
7
votes
3answers
180 views

Plausible futuristic infrastructure for an underwater micronation built 300-500 feet below the surface

My story takes place hundreds of years in the future after global warming has made life at the surface uninhabitable for most life forms. What’s left of mankind survived because it became popular to ...
6
votes
5answers
2k views

Could Comets or Meteors be used to Combat Global Warming?

The running theory is that if the Earth is hit by a sufficiently large meteor, that the impact would create an ice age from all the dust it would put into the atmosphere. While this has been ...
6
votes
4answers
801 views

Can satellites decrease global warming?

An island nation has a lot of coastal territory and has become gravely concerned about the threat of global warming. They've decided to fix this by launching reflective satellites into orbit -- ...
6
votes
2answers
183 views

Can enough CO2 be captured, in order to reduce global warming, to reduce oxygen levels to suffocating levels?

In a comment to a recent question, it was pointed out that Biosphere II failed in part because too much CO2 was absorbed by the concrete, leaving insufficient oxygen in available CO2 to be released by ...
6
votes
1answer
230 views

Underground cities in a Glacial Climate Transition?

My story is based on a Glacial Climate setting or an Ice Age. However the transition is gradual and humanity was given some time to adapt. The transition began in our real-world technological ...
6
votes
2answers
236 views

Antarctic Climate on Greenhouse Earth

Scenario: Say we have a massive release of greenhouse gases into Earth's atmosphere, however much for the ocean around Antarctica to get just warm enough for hurricanes to form during the summer (28.5 ...
6
votes
1answer
197 views

Could an earthquake alter weather over the long term, and therefore climate?

I live in Cape Town, South Africa where it is a very real possibility that not a single drop of water will be left in our dams come March 2018. THIS is a news article that suggests that at a ...
5
votes
7answers
2k views

The possibility and possible backlash of a thruster large enough to move a planet

Inspired from the game "Planetary Annihilation" a Halley Delta V Engine is a engine built in the ground that is big enough to move the planet when used. This can be used for two things in my mind. War,...
5
votes
4answers
368 views

Increasing Earth's orbital radius to stop global warming

Followup from Dropping ice in the ocean to stop global warming as promised. In the Futurama episode "Crimes of the Hot", All earth robots fire their engines at the same time at the Galapagos islands. ...
5
votes
4answers
159 views

How might a naturally-occuring geographical barrier between two areas *suddenly* become permeable so that a few people can cross it?

The world is Earth, probably west coast of the USA, in the throes of severe climate disaster; major storms, earthquakes, droughts, fires and floods are the norm. I am looking for a way to suddenly ...
5
votes
2answers
287 views

Reducing atmospheric pressure on Snowball Earth

A Snowball Earth is a global condition (which may have occurred many times) in which the temperature everywhere on the surface was, for extended periods (up to tens of millions of years), below the ...
5
votes
3answers
239 views

What would happen to the climate if Earth's sea-levels rose 2000m?

This is the first of possibly several posts about the following scenario, in which Earth's sea-level rises 2 km overnight, generating a world map looking like this: Question: What would be the ...
5
votes
2answers
176 views

Would the melting of ice islands affect the weather across the seas?

I've studied a little about glacial melting and temperature changes in sea currents and worldwide. I couldn't find any definitive answer and since I'm no expert on this matter I'm a bit confused. The ...
5
votes
1answer
130 views

What might the political climate in the United States look like in twenty or thirty years? [closed]

I wrote a speculative science fiction novel in 2014, and last week I met a copy editor who suggested that I do some digging to find out how the society in which my character would be integrated would ...
5
votes
2answers
162 views

Would a More Extreme Icing of Antarctica Create an Extinction Event?

55 million years ago, the world was literally a jungle. It was so warm that plants like the bald cypress and the dawn redwood have been found at Ellesmere Island, right inside the Arctic Circle. ...
4
votes
3answers
552 views

What kind of Ice Age would cause an apocalypse?

It's 2070, global warming is a terrifying reality. Coastal cities such as New York and Shanghai has already fallen to rising sea levels and extreme weather. In an effort to stem and perhaps counteract ...
4
votes
3answers
207 views

How large can a magical cold region be before it dramatically alters global climate?

In the setting I'm working on, I want to have a vast 'sea' of diamond dust that is sustained by some kind of chilling magic effect that's spread across the surface of the land. Since magic is ...
3
votes
4answers
13k views

What would an Antarctica without ice look like compared to other continents?

Lets suppose that Antarctica at some point lost most of its ice (due to global warming or some other plausible reason) and now most of its bedrock surface is exposed. Compared to other continents, ...
3
votes
4answers
717 views

Nuking all the ice

I've been trying to envision a scenario where global warming is accelerated to the fasted possible speed. One scenario I thought of was detonating large scale nuclear warheads on the North and South ...
3
votes
3answers
298 views

A giant steel rod hanging from moon with its other end in atmosphere

Assume there is a giant steel (or any metal with good thermal conductivity coefficient) rod hanging from moon with its other end in atmosphere (say 5KM above sea level). 1.) Being the other end of ...
3
votes
3answers
1k views

Is freeze ray possible?

Set in distant future in order to reverse global warming caused by the depletion of ozone layer, the world no longer release CFC gases into the atmosphere and also vows to repair ice cap in Antarctica....
3
votes
3answers
209 views

Could a comet cool down global tempatures? [duplicate]

In warlords I wanted Terrans to have a fad of big (synthetic) fur jackets, but I didn't want too have everyone running around in winter clothing for no good reason so the solution my mind instantly ...
3
votes
3answers
160 views

What is the quickest way to perfect global warming?

The second terrestrial planet orbiting the Sun is shrouded in greenhouse gases, the entire surface of Venus is always scorching hot due to the high concentration of atmospheric carbon dioxide which ...
3
votes
2answers
63 views

Opaque Solar Shield in Geosynchronous Orbit: Plausibility + Challenges of Maintaining Orbit

Suppose humans of the late 21st century or beyond began constructing a solar shield as a solution to climate change. Suppose for some reason (open to suggestions) they choose to build the shield in ...
3
votes
2answers
203 views

What might India look like in 2070 in terms of climate change? [closed]

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 ...
2
votes
4answers
283 views

Is it possible to have (near future) satellites that appear to rise and set like the sun and moon?

And if I wanted them to appear about 10 times the size of the sun and moon, would this be possible? Should they lie inside LEO or beyond it? I would like their orbit to be considerably closer than ...
2
votes
3answers
750 views

Do hurricanes reduce the thermal energy of the water they pass over, and if so by how much? [closed]

This question suggests a theoretical possibility that hurricanes may be disrupted by removing heat from the system. My question concerns the natural passage of a hurricane. Ocean water is warmer ...
2
votes
3answers
238 views

What kind of extinction event could solve Global Warming?

The world I'm creating will be referred to as E. Current E population is growing exponentially, and the population will become completely unsustainable soon. Global Warming is also increasing ...
2
votes
3answers
329 views

Climate Change after a Sudden Drop in Emissions

Suppose we have a world that saw a sudden collapse of civilization, not so violent that humans are suddenly struggling to survive but severe enough to cause humans to revert to a mix of city-state, ...
2
votes
0answers
67 views

Post Apocalyptic world [closed]

Im a Film student and I'm currently working on a idea for a film involving a world after global warming and the deconstruction of civilisation. Whilst my ideas won't all be realistic to the Nature of ...
1
vote
4answers
487 views

Would moving Earth around solve the rise in global temperature problem? [duplicate]

Without worrying about the other issues of global warming like rise in CO$_2$ level, hole in ozone..etc, lets assume that we're facing with rise of global temperature. And assume there's an efficient ...
1
vote
3answers
229 views

Would we solve oceans rising problem by destoying the Moon?

Sea levels are rising due to global warming. The Moon brings tides that also rise the sea level. If we destroyed the moon could this problem be solved? Would it have other consequences?
1
vote
4answers
249 views

How to make all ice caps melt before the end of 21th century

Sorry for any bad English In order to give a reason for humanity to get out of Earth or hide in their floating city shelter, what is the best way to rise up sea level fast and furiously? I am ...
1
vote
6answers
549 views

At what point in climate change do we reach the Tipping Point?

Assuming we have a world at the same stage in global warming as the Earth, with all other properties similar (population, carbon emissions, general climate, orbit, etc.) How long will it be until the ...
1
vote
3answers
109 views

Government power in an Ice Age [closed]

The setting of my story takes place during a future Ice Age, where the equator and parts of the southern hemisphere are a safe haven for humans. Which countries or regions would most likely be the '...
1
vote
2answers
190 views

Could a motorcycle cause enough pollution to harm a world?

Would it be possible for a single motorcycle to harm a world so much that it would cause significant change? Conditions: Unlimited Amount Of Time The Planet Is Not Earth (No other cars, factory or ...
1
vote
3answers
118 views

Complete cloud coverage for 300 years

What would the weather conditions be like if earth was covered in a layer of clouds and pollution for 300+ years? there is still light in the day but it is minimal and the nights are pitch black. ...
1
vote
2answers
97 views

What are some of the global impacts of technologically converting desert biomes into grasslands? [closed]

As per the Koppen climate model, for the purposes of this question deserts are dry, non-polar climates. https://en.wikipedia.org/wiki/Desert_climate At a hypothetical time in near future, the human ...
1
vote
2answers
161 views

Destroying an earth-like planet with a green-house

Due to global warming, Earth has become uninhabitable. The rich left off to colonize 'New Earth' while everyone else is left behind. For whatever reason, the people left behind have survived, but out ...