Stack Exchange Network

Stack Exchange network consists of 174 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 [environment]

For questions about an environment or aspects of it such as geographical, atmospheric or climate.

6
votes
5answers
725 views

Postapocalyptic, Venus-like planetary atmosphere

This question is about the same postapocalyptic future setting as this one, so you might want to refer to it, if you have any questions… about my question: What species, if any, would survive this ...
35
votes
12answers
8k views

What is the next dominant species?

If humans didn't exist, what species would populate the earth? Would an animal gain human-like intelligence if humans weren't here? What animal would gain dominance?
10
votes
3answers
8k views

If the gravity was half as strong, how would the enviroment change? [closed]

If the gravity was half as strong, how would the enviroment change? Would all the plants grow differently? What change would there be in flying creatures?
13
votes
1answer
752 views

What would be required for a completely self sufficient 1 man habitat?

For the sake of this question, let's say that there would be a space mission that would send one man on a 40 year journey that will require him to be in a completely self sufficient habitat for the ...
13
votes
3answers
968 views

What would have to happen in order to force us to live in the ocean?

What kind of a scenario would have to occur in order for human beings to seek survival on the sea floor? It could be man made or natural, ice age or heat apocalypse, sudden disaster or gradual ...
20
votes
3answers
22k views

How effective are bomb shelters for nuclear attacks

I was wondering how effective nuclear shelters actually are? If you assume that your house is equipped with a bomb shelter (aka fall-out shelter). The construction of the shelter is not over the top, ...
6
votes
3answers
545 views

Could “normal” human development lead to a sufficient air pollution to make gas masks mandatory?

I'm starting a story taking place around 2080, and I'm wondering if the key element -global pollution- is plausible. In my storyline, the XXIst century brings no huge technological advances (I mean ...
12
votes
5answers
3k views

What effect could drop the freezing temperature of water globally to −40 Celsius?

This question comes up from Is there a man-made or natural event that can cause an abrupt climate change within hours/a day? – trying to get KaguraRap a functional answer to an abrupt temperature drop ...
7
votes
3answers
233 views

Massive Maelstroms

Maelstroms are ginormous whirlpools. They can exist continuously in an area. They're cool. The question is, how large can they get? As large as an island? Could a maelstrom have a diameter of ...
17
votes
7answers
2k views

What would push a civilization to terraform a planet considering the complexity of this process?

Terraforming is the process of transforming a celestial body to become habitable by Earth-like life. Even when I try to imagine an advanced civilization, the cost, time and complexity to terraform a ...
9
votes
2answers
505 views

Resolving Environmental Implications of an Extremely Massive Mountain

I am doing some work within the setting of the Exalted tabletop role-playing game. In broad brush strokes, the defining feature of the world is the five elemental poles: Water (west), Wood (east), Air ...
5
votes
6answers
571 views

What complications would arise from a world with an internal atmosphere and environment?

For a long, long, long time I have had a concept of a world that exists on the inside of a hallowed-out sphere. The basic construction of the world is like this: It is a large world, at the center ...
12
votes
3answers
421 views

What would be the effect on life/civilisations if the length of a year was longer or shorter?

If you want to have a smaller star but you also want to keep your planet in the habitable zone, you need to put the planet closer to the star. This means shorter years. It is also possible to have a ...
19
votes
6answers
3k views

Is there a man-made or natural event that can cause an abrupt climate change within hours/a day?

Meaning, cause a seemingly normal winter to suddenly take a turn within hours or a day/two into a completely frozen territory? From what I've read, abrupt climate change happens from ocean currents. ...
3
votes
4answers
195 views

Night and light in the reign of the lizardmen

So I'm writing a story on a population of lizardmen who have subdued all the human population. Since lizards spend lots of their time soaking in the sun, I'm not sure how should I go for the night-...
17
votes
5answers
3k views

Is it possible for complex life to evolve on planets without oxygen?

*By complex life, I mean something more complex than microorganisms. Something closer to what we have on Earth. similar to this question: Is it possible for life to evolve on planets without water? ...
17
votes
6answers
2k views

Is it possible for life to evolve on planets without water?

*By life, I mean something more complex than microorganisms. Something closer to what we have on Earth. similar to this question: Is it possible for complex life to evolve on planets without oxygen? ...
8
votes
3answers
745 views

How would the global environment of a completely urbanized city-planet be affected?

Related: How would a completely urbanized city-planet support its population? How a completely urbanized city-planet be maintained? Why would a completely urbanized city-planet exist? The properties ...
6
votes
4answers
730 views

How to go from Australia to Europe using correspondences?

I am writing a story where we have our real science-based world, and a parallel world where magic is the more dominant principle. In fact the principle of magic is so dominant, that one cannot travel ...
15
votes
2answers
780 views

Food sources for an undergound city

Lets assume a city exists underground, either in natural caves or synthetic tunnels. Are there any food sources underground, and what kind of population can they support?
-5
votes
1answer
447 views

What is the effect of a non-existent economy on the environment of a world [closed]

I would like some ideas on how the environment of a world where an economy (nothing financial and no currency system) did not exist - would be affected, would progress etc etc.
26
votes
5answers
6k views

Does living without access to sunlight for extended periods have known physical or psychological effects on humans?

Humans (even programmers :-) ) are used to having some access to natural light, but in a colony on the dark side of a moon or underground (for example) this won't happen. Are there known (documented) ...
32
votes
7answers
8k views

How extensive could a habitable twilight zone be on a tidally locked planet?

If a planet always faces the same side to the sun, so that it has a permanent night side and a permanent day side, it will have a twilight zone in between the two sides. This will be a band around the ...
27
votes
4answers
4k views

Less boring classifications of earth-like terrain when making maps

When creating a map for a fantasy world, I typically add broad top-level descriptions for terrain. Mountains here, forests there, a river, a swamp etc. Watch any nature documentary, and each terrain ...
19
votes
6answers
2k views

How do I figure out how many people my domed city on a hostile planet can support?

I have a colony of humans on Mars, living in enclosed cities to maintain breathable air. (If they need to leave, they suit up.) Assuming modern-day technology, how do I figure out how many people a ...
13
votes
2answers
172 views

Primary environmental concerns of a new coastal settlement

A group of settlers from a mid-renaissance era have setup an initial settlement along a coastline. Materials for shelter exist and fishing serves as the initial food source. What are the primary ...
16
votes
7answers
2k views

What would be the next technological step for a civilization after it has depleted all resources that allow for conventional technologies?

Imagine a world that reaches the end of its resources in silicon, petrol, coal, metals... everything that allows for conventional technology — even before it has found a way over it (renewable energy ...
22
votes
7answers
2k views

How could a generation ship maintain a source of potable water?

A generation spaceship (a spaceship designed for multiple generations of humans to live in) could sail through the galaxy for hundreds of years before finding another planet, let alone a planet with ...
40
votes
10answers
3k views

How would societal development be impacted if humans were not an apex predator?

We are used to a world where humans are basically an apex predator; we don't really need to worry much about becoming some other animal's next meal. If that wasn't the case, and humans had to be wary ...
17
votes
4answers
560 views

Can a world sustain constant low-pressure and high-pressure areas?

Would a world be able to sustain a constant low pressure area such that there would be a constant wind from one side to the other? Imagine that on one side of the world is a desert with some rocky ...
20
votes
4answers
1k views

How to survive mountain environments with a tribal culture?

Assume we have an Earth-like environment. If a tribe with only early medieval technology were to settle in a mountain environment: What resources would be needed to deal with the elevation, cold, ...