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Dan_Lyons's avatar

What impact would there be if humans disappeared from the Earth?

Asked by Dan_Lyons (5527points) April 24th, 2014

So what would happen? Animals would break free and start Animal Farms, of course.
The oceans, lakes and rivers would self-clean.
Roads and cities would become forests and jungles.

But what else would happen?

And what the heck happened to all the humans?
Plague?
Nuclear holocaust {bombs, power plant explosions [Japan 2011]}
Zombies?

{I got this idea direct from a reply I just read by Cruiser}?

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25 Answers

talljasperman's avatar

Flooding will push the humans into space… after 1,000,000 years then the humans trace would be gone… except for stainless steal and space junk and probes.

Mimishu1995's avatar

Star Fox will come true!

Dan_Lyons's avatar

^^^^ I wish I still played video games.
スターフォックス Sutā Fokkusu [Star Fox} sounds like fun!

RealEyesRealizeRealLies's avatar

None, as far as would concern me.

having “disappeared” and all you know

GloPro's avatar

Oh, the potholes!

Pachy's avatar

McDonald’s would go out of business.

Berserker's avatar

Nature would slowly but surely regain its reign. Reason why people are gone, nature fucking shit up. Famine, disease and whatnot.

ragingloli's avatar

The planet will slowly heal itself, and humans’ legacy will be several extinctions, mountains plastic refuse and nuclear waste that will poison many places on the planet for millennia.

ragingloli's avatar

Oh, and alien invasion that cleanses the planet of the human infestation.

Mimishu1995's avatar

@ragingloli Fox McCloud will kick aliens’ asses!

syz's avatar

The World Without Us is a very interesting (if incomplete) answer to your question.

Dan_Lyons's avatar

^^^^ Dang it. I was just starting my book.

Winter_Pariah's avatar

Some other species will eventually rise to dominance of the planet. And who knows? Maybe they’ll repeat the same mistakes we made.

And humans die off because we just can’t get along as a species and kill each other all off.

ARE_you_kidding_me's avatar

FYI plastics will probably be completely gone in 2000 years regardless. Most types will be long gone before that.

Paradox25's avatar

If you want vivid detail look here. I remember reading this article in a magazine around eight years ago while on lunch break at one place I had worked at. New York City’s underground subway tunnels would quickly fill up with ocean water since the pumps responsible for keeping the water out would no longer be maintained. New York’s streets would crater and sink in due to incoming water. Most world bridges would last several hundred years, probably longer in less humid climates, before crumbling.

Dogs would be forced to go feral, but then would likely become extinct shortly after, because they wouldn’t have the ability to compete with other animals. Cats would do well though, maybe with one exception being the ragdoll breeds because they lack the necessary aggression in order to fend for themselves and compete with other cats or animals. I have a difficult time thinking rats would suffer or become extinct though, even without garbage.

Coloma's avatar

A return to the garden, minus hominids.

This is a great and interesting documentary…

www.youtube.com/watch?v=6XDbcMND7fY

Coloma's avatar

Looks like @Paradox25 and I are on the same wavelength. :-)

Coloma's avatar

@Paradox25 Yes, cats would adapt extremely well, I have a Ragdoll and, while he is super mellow he still retains plenty of cat aggression. For a 17lb. monster he once snatched a Hummingbird out of the sky. It was truly amazing, he is quite agile inspite of his giant, big boned body.

Berserker's avatar

Cats have been conditioned to live with humans for centuries. I’m guessing it would take quite a long time for them to return to a feral state which would ensure their survival. I wonder how dogs would fare.
All I know is, insects were around before humans, and they will remain long after we’re gone.

Dan_Lyons's avatar

Cats would survive so well @Paradox25 @Coloma because, well, let’s face it; cats are still fairly well and have simply domesticated humans to be their slaves, feeding them, petting them and cleaning their sand boxes.

It was nice to be able to read the info @Paradox25 . That was a very good read. And also the video you found @Coloma was interesting and buttressed what I had just read.

~~~~~~~~~~~~~~~~~~ “Welcome to Earth: Population Zero”~~~~~~~~~~~~~~~~~

Coloma's avatar

@Dan_Lyons I haven’t watched “Life after people” for a few years, but, one interesting this was that Hoover Dam would keep producing power for like a decade or more. I have to watch the whole thing again.

Dan_Lyons's avatar

I’m still watching your video @Coloma “Life after people” ....I just got to the hoover Dam part. Vegas will be the last city lit. Now that’s appropriate.
Just amazing how quickly nature will reclaim her lands and seas once man fails to show up to fight her off.

Coloma's avatar

I’m going to watch it agin this afternoon myself. :-)

Paradox25's avatar

@Coloma I have heard that ragdolls should never be left outside since their mellow temperament would likely leave them defenseless against other cats and animals. I have never owned one though, so you would know more than myself here about ragdolls. I think they’re beautiful cats though regardless.

@Dan_Lyons The author of that article has written a book about this in more detail. You can order it here, it’s called The World Without Us.

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