this post was submitted on 08 Jul 2023
29 points (100.0% liked)

Collapse

3240 readers
1 users here now

We have moved to https://lemm.ee/c/collapse -- please adjust your subscriptions

This is the place for discussing the potential collapse of modern civilization and the environment.


Collapse, in this context, refers to the significant loss of an established level or complexity towards a much simpler state. It can occur differently within many areas, orderly or chaotically, and be willing or unwilling. It does not necessarily imply human extinction or a singular, global event. Although, the longer the duration, the more it resembles a ‘decline’ instead of collapse.


RULES

1 - Remember the human

2 - Link posts should come from a reputable source

3 - All opinions are allowed but discussion must be in good faith.

4 - No low effort posts.


Related lemmys:

founded 4 years ago
MODERATORS
 

Think about it - all the most easily extracted fossil fuels, the stuff near the surface, are already exhausted. And, to transition to sustainable energy, you have to bootstrap manufacturing with fossil fuels, since mainstream sustainable energy requires photovoltaic cells and controllers and electronics.

you are viewing a single comment's thread
view the rest of the comments
[–] groknull@programming.dev 4 points 1 year ago

This is related to the diminishing energy returns on energy invested (see ERoEI). It’s a measure of how much energy it takes (say 1 barrel of oil) to extract a certain amount of energy (also say 1 barrel of oil). When the first barrels of oil were extracted long ago the ERoEI was somewhere around 100, meaning you only needed to use one barrel of oil to extract 100 barrels. Last I heard, it was down to 10. If that reaches 1 then it’s basically game over for oil. There is still lots of oil far underground/undersea but it costs too much to extract.