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Questions tagged [environment]

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

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1answer
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Effects of Red Dwarf CME (Flare) on Biological Life and Atmosphere

I have a planet circling an M-Class star (M3/M4). I'm trying to figure out what the effects of flaring on the planet's biosphere might be. Background: As some of you may know, M-class stars are ...
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2answers
127 views

Life in the Northern Hemisphere if Beringia Never Drowned

When one hears the name "Beringia", we most often think the land bridge that formed as a result of a drop in sea levels during the Pleistocene, resulting in a connection between Alaska and Russia. But ...
4
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1answer
127 views

Is there a best place to begin Neo medieval world building? [closed]

I'm just barely starting out with trying to get a basic idea of what architecture, infrastructure, and systems would work best as I'm drawing my world. I have a twin characters who are raised in a ...
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1answer
247 views

What would be the effects on the enviroment if a Giant walked by in a world with Earth like physics?

I recently came by the many questions of scaling creatures and the square-cube law in real world physics right here, and it piqued my interest a bit to make this question. Think of it as an exercise ...
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3answers
185 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 ...
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1answer
113 views

How would floating islands work? [duplicate]

Soaring among the clouds over an earth-like planet, islands... on which fortresses are built for strategic advantage, on which stations for the dragon air force are built, and which can be relatively ...
6
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5answers
249 views

Salty or fresh or brackish waters?

So this is a small map of all the continents on the small planet of Parsas Decem. As far as most of the rivers go, I’ve got it figured out. What I’m wondering is, can salt water flowing in from the ...
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6answers
755 views

How would a half-steppeland, half-desert kingdom with only a single river function?

On one of the continents in one of my fantasy worlds, I have a kingdom. The kingdom is comprised of two different geographical regions, a steppeland area in the kingdom's north and a desert region in ...
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3answers
139 views

How can a kid be so much better than trained adults at “Monster fighting” [closed]

The world is populated not with animals but with "monsters". "Monsters" appear randomly in particular places, and can be caught using specialized devices shaped like a ball. There are many different ...
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3answers
92 views

Shooting all flying creatures in fear of spying drones [closed]

Spying technology is getting more sophisticated. Drones as we know them are obsolete. Robots appearing as living creatures are becoming science fact. First, robotic birds, then robotic insects. They ...
11
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2answers
591 views

Life in permanent shadow

I've been experimenting with a fantasy world that is flat, with the sun fixed in place over the centre. The day-night cycle is provided by the sun dimming and then brightening again. Most of the rest ...
49
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27answers
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If a large space ship crashes on a planet, what could kill passengers without obliterating the ship?

The situation I'm considering is as follows: A large research vessel with a crew of about 100-200 attempts to land on a potentially habitable planet, but something goes wrong during the descent. A ...
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4answers
584 views

What would life around a hydrothermal vent on Europa be like?

Hydrothermal vents are thought to exist on Europa. On Earth, these vents are surrounded by all manner of freakish and bizarre looking creatures, mainly various worms, crabs and octopodes. Europa's ...
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5answers
595 views

If Earth's atmosphere were to be enclosed, what effects would what have?

A universe-destroying parasite is set loose, and basically earth is placed under magical quarantine. (Think of it like the world is wrapped in magical cellophane.) My question is, how would earth's ...
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11answers
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At great altitude, what conditions are needed to support a human community?

In my part of this (Earth-like) world, there is a stable community of completely isolated pre-industrial humans, numbering perhaps 1,800. They live at an altitude of (at least) 25,000 feet (7620 ...
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3answers
184 views

Can trees and plant life grow on rock?

So I’m creating a world where the ground is mainly made of different rocks and stone in most areas - soil is sparse. Could trees and plant life grow on the stone ground if a water source is nearby? ...
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6answers
217 views

200G to 1G environment

Let's say a human were to live most of his life in a 200 G environment but then suddenly enter a 1 g environment, What would be the effects to his body and will this give him the ability to carry ...
4
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2answers
52 views

Stellar and magnetic parameters for creating polar radiation hazards

I've got a generally earthlike planet, but my goal is to make radiation exposure in the polar regions a much larger hazard than it is on Earth, while not being an issue in other regions. Nothing ...
2
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2answers
132 views

What would happen to the Earth if it were suddenly transported to a completely empty void? [duplicate]

The entire planet Earth is suddenly teleported (never mind how for now) to a completely empty space. No sun, no moon, no stars or other planets. There's absolutely nothing out there and it appears ...
4
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2answers
136 views

How would plants evolve with longer days?

(First post on StackExchange, hello world!) The project that I'm currently working on involves a Binary Planet system, both with life, although I'm only focusing on one. This planet has a climate ...
4
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2answers
169 views

How much heat would a 1km asteroid release into earth's atmosphere?

I am writing a theory for a game that is in an apocalypse. An asteroid is heading for earth and will crash into the earth regardless in this theory. It is 1km in size but due to the YORP effect it has ...
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4answers
204 views

What is the “fullest” the universe could be in terms of living space? [closed]

Lets take a civilization that has surpassed the type III on the Kardashev scale. It has the following assumptions: It harnesses the energy of entire Galaxies, its populace did not transcend. If you ...
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4answers
588 views

Could a new species wipe out the rest of an established ecosystem?

I'm not asking about an exotic species in the modern world we know all too well the havoc that can be caused by the introduction of an alien species into an existing ecosystem. I want to know if a ...
6
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3answers
118 views

Technology to produce food without land, what will happen with the land next?

Let's say we have the technology to produce all of the human food in factories without the need for land (i.e. Solarfood, Memphis Meats). Right now, there is about 50% of all habitable land use for ...
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7answers
2k views

Could a moon or planet exist with “puddles” of breathable air in deep craters?

Could a moon or planet with otherwise no atmosphere maintain gas pockets in sufficiently deep craters, and could it be habitable by humans without pressure or space suits? I found this similar ...
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12answers
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Why would life energy be poisonous for the environment?

Mana is the life energy of the soul that is bestowed by nature. Everything is born with a certain amount, with humans containing the most. When something dies, it's body naturally decays and supplies ...
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1answer
161 views

Creating a gas-giant based empire, how can I maximize the amount of Earth-sized habitable worlds around a gas giant?

As the title says. I need to have at least 3-5 habitable Earth-gravity worlds (preferably with atmosphere, nitrogen oxygen) as many smaller, lifeless moons as possible, and a planetary ring. (i.e. ...
1
vote
1answer
143 views

Are there chemical elements deadly to mushrooms but not to humans?

Are there any chemical elements dangerous to fungus/mushrooms that wouldn't threaten the human species. The chemical elements I'm looking for would be in the periodic table of elements. It doesn't ...
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16answers
4k views

How to cause an exodus from the west coast of the United States inland?

What I Need I need to bring about a scenario where most, if not all, of the west coast has been abandoned before the alien-robot-zombie apocalypse wreaks havoc on the world. Sweet, sweet havoc! ...
6
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4answers
309 views

Cave/Subterranean Lighting

I have a cave that is ravine like and stretches approximately one kilometer down into the Earth. Let's assume that the cave has a clear, crystalline roof allowing some light in. Is there any sort of ...
6
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3answers
153 views

How to have people and big bugs at the same time

There's been a few questions about making big bugs before and the consensus in they can't get much bigger than 3ft or so (which in reality is still huge). Catch is, you need quite a bit of extra ...
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4answers
2k views

How to create the eternal storm?

The Great Red Spot on Jupiter and the numerous Great White Spots on Saturn are storm systems that encircle the globes and last for decades, centuries in Jupiter's case. These are formed on Gas Giants ...
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2answers
216 views

How do people sustain themselves in a siberia-like environment? [closed]

The climate is very similar to siberia, there are boreal forests, steppes and tundra in the north. The winters are rough but there is a short growing season, fishing is possible. I am mostly ...
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3answers
3k views

Effects of a non-rotating Earth

Earth has stopped rotating. Maybe Superman started flying around the Earth backwards to turn back time, but hit a wall of kryptonite just when the Earth stopped rotating. Or Stupendous Man hit the ...
3
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2answers
140 views

Climate checking my map

So I've decided to come here to see how my map would be effected by climate. Notes: The planet has a 10° axial tilt, it's a little smaller then earth, and has earth like conditions. So my questions ...
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4answers
155 views

How can a radioactive planet kill most fetuses in utero, but not give everyone cancer?

My setting takes place on a planet that has a very high level of radiation because of reasons unknown to the population. This factor or group of factors are not man-made, but due to some change in ...
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1answer
109 views

Could humans wreck the world enough to tilt its axis? [duplicate]

Some Context My story idea is in the likes of Pacific Rim. If you didn't watch it, it's about a crack in the sea that spawns giant monsters called Kaiju, who really like to chew on buildings. ...
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11answers
2k views

Restoring the world after a global apocalypse

So the world has been destroyed. Pick your poison. We have probably 300 different scenarios lying around here somewhere. What's Left: The world is a desolate wasteland, dry and crispy and barren ...
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2answers
305 views

Syrup Atmosphere

As you look at the properties of the atmosphere as you scale up or down, things get weirder and weirder. One good example is the fairyfly and its environment. Fairyflies are so small that at their ...
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2answers
239 views

What would happen if a woman astronaut didn’t wear/took off her helmet/spacesuit while on the moon/mars? [closed]

In this story, Mars is totally inhabited by women Would she die from lack of oxygen/suffocation or lack of pressure/boiling fluids?
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2answers
178 views

South Polar Bears

The Arctic ice cap is melting away soon. Some (probably misguided) ecoactivists think it would be a good idea to safeguard certain indigenous species of the North Polar region (especially mammals) by ...
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3answers
167 views

What amount of heat would be necessary to evaporate the oceans? Can his heat threshold be reached if there were no ozone layer? [closed]

The problem in my fictional future Earth was: almost the entire ozone layer disappeared due to a massive release of CFCs in the atmosphere. I was trying to calculate if this would lead to the oceans ...
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6answers
5k views

A Planet Where The Four Seasons Occur Multiple Times In One Year?

Earthlings, I live on a world where most places on my planet has four seasons, just like yours does. We also have one sun and one moon, presumably. It's been not even a year since I came of age (20), ...
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10answers
416 views

why would performing nature magic be safer in groups of people? [closed]

A Tham field is the background magical radiation field that exists throughout the universe. Nature magic involves accessing this field in order to produce effects in the real world. A user does this ...
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2answers
418 views

When two continents crash against each other, mountains arise, right? [closed]

In the background of my world it happens that two continents crash against each other. Now that I've done some research, do I correctly understand that this would create a mountain range? Or did I get ...
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1answer
153 views

Life in a gas torus around a neutron star

Larry Niven wrote a novel called The Integral Trees, which was followed by a sequel The Smoke Ring. This is Wikipedia's synopsis of the setting: The story occurs around the fictional neutron star ...
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2answers
107 views

How can a tree be used to conduct electricity?

A network is classified as two or more connected devices that share information. In this world, the inhabitants use a system of trees that operate similarly to super-computers. These trees collect and ...
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6answers
194 views

Can I have a glacier on a tidally-locked shallow-sea planet?

I have a planet that is tidally locked to its sun. The ocean is shallow (a few hundred meters) and was artificially created in the past by harvesting the system's Oort cloud or outer-system ice ...
4
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1answer
145 views

Lake World and Water Salinity

I have an idea for a world where land prevails over water and what waters there are are largely relegated to scattered lakes of varying sizes. Some of these lakes would be mega lakes, the size of the ...
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6answers
461 views

How to prevent large groups of animals from destroying my land? [closed]

I've created a world that is filled with beings and creatures that are very specific that can be easily separated and recognized. In this world there are seven (7) basic types of lifeforms (not ...