this post was submitted on 16 Jan 2025
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Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world.  About 1C of total warming.  Second chart:  about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability.  Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases.  About 0.5C of cooling with large error bars from SO2.

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[–] jonne@infosec.pub 38 points 2 days ago (1 children)

Except everywhere is a climate danger zone.

[–] PuddleOfKittens@sh.itjust.works 11 points 1 day ago (2 children)

Some places are being hit harder than others. All else being equal, people should move to the places being hit the least.

[–] ProdigalFrog@slrpnk.net 4 points 1 day ago* (last edited 1 day ago) (2 children)

Wouldn't a side effect of that, if done en masse, be property values and rent ballooning out of control in the safer areas?

A side-effect? No. You're just describing climate-safe housing being more valuable. It's always been more valuable.

In a functional market system, higher rents will result in more housing construction in those areas. I'm not delusional enough to think that the housing market is functional, but that's a can of worms that will exist regardless of the climate problems or not.

Or to rephrase a bit: yes, if people all try to move to more climate-safe areas, then we'll need to build more housing in the climate-safe areas for them to move into. Obviously.

[–] LillyPip@lemmy.ca 5 points 1 day ago

Yes, and this will start happening within the next several years due to climate refugees, whether we plan for it or not.

[–] phughes@lemmy.ca 1 points 1 day ago

As a person near the great lakes: No, they shouldn't.

[–] Bitswap@lemmy.world 5 points 1 day ago* (last edited 1 day ago) (1 children)

We definitely need some sort of phase out of coverage for some areas. Something like a lower proportional coverage the more times the area is rebuilt after a natural disaster. There is no reason anyone in the Florida keys should keep getting coverage and rebuilding. It's been impacted over and over again. People have rebuilt more than 10 times. Ontop of that it's sinking into the ocean.

Edit: saved before finished.

However, these are not going to be popular policies anywhere. People leaving their hometowns are going to be mad. People who have to deal with out-of-towners coming in and buying all the housing driving prices up are going to be mad. I seriously doubt there will be any political appetite to push for similar policies.

[–] Korhaka@sopuli.xyz 1 points 1 day ago (1 children)

Cap how much is covered so that anything the price of a normal house for someone to live in is covered, but you pay the luxury tax.

[–] Bitswap@lemmy.world 1 points 18 hours ago (1 children)

I think that would be hard. Who decides? How big of a house. A 900 sqft house costs far less than a 3200 sqft house.

I'm sure we will end up with a hodgepodge of solutions in the end.

[–] Korhaka@sopuli.xyz 1 points 11 hours ago (1 children)

Median house price could be a starting point

[–] Bitswap@lemmy.world 1 points 1 hour ago

House sale prices? That's even harder because house prices includes the land that the house sits on.

[–] rbesfe@lemmy.ca 16 points 2 days ago (1 children)

Insurance companies tried to adjust their strategies 10 years ago to account for climate disasters, and they still underestimated the impact

[–] Bitswap@lemmy.world 7 points 1 day ago* (last edited 1 day ago) (1 children)

In some states it's illegal for them to take it into account...

[–] Halosheep@lemm.ee 2 points 1 day ago (1 children)

Which states? I can see this being a possible stop-gap for price gouging customers with the excuse "because the climate is changing". I wouldn't trust insurance companies to make the moral choice, given the opportunity.

Realistically, I'm guessing it's just pure climate change denial legislation, so I'm curious where it's implemented.

[–] Bitswap@lemmy.world 2 points 18 hours ago

https://dfr.oregon.gov/insure/home/pages/wildfire-risk-map-insurance.aspx

What I wrote was not completely accurate. In Oregon, It's illegal to use the state produced wildfire risk maps.

My bad.

[–] Oestradiolo@lemmy.blahaj.zone 13 points 2 days ago (1 children)

Ah yes, the tried and true people move to where the jobs are strategy. Worked really well for globalization.

In actually reality, humans would rather become desert nomads than abandon their tribe.

[–] gibmiser@lemmy.world 20 points 2 days ago (1 children)

I worked with homeless people for ten years and people don't understand just how reluctant people are to move away from where they know. When you have nearly nothing , the few things you do have are much more Important to you. That includes your social connections

[–] benjhm@sopuli.xyz 4 points 2 days ago* (last edited 2 days ago) (1 children)

That's interesting, but there are different personality types, maybe some could benefit more from a fresh start?
We are not all so tribal. I emigrated at a moment when I felt I had nothing (except a web-model), this was a a good move, at least for the first few years.

Humans build tribe. Tribe gets big. Small Portions of tribe run away to start new tribe free from the problems of old big tribe. Tribe gets big again.

[–] benjhm@sopuli.xyz 8 points 2 days ago (2 children)

This is difficult. Yes we should discourage further mis-investment in unsustainable locations. Including whole cities, which may still be liveable for a few more decades, but not centuries. On the other hand, by pushing down market sale prices, this penalises people whose ancestors moved there, long before we knew much about climate change. So maybe they should get some compensation or help to move, although on such timescales there are plenty of other 'bad-luck' factors that society doesn't compensate.

This is how I feel but I could not think much beyond that it is difficult. Its like we have got to stop building and rebuilding in bad places but people there can't just be left high and dry. I do sorta feel there should be somewhat of a cutoff on single family homes though given the mil plus things built on waterfronts and on mountains and such.

[–] SolarMonkey@slrpnk.net 3 points 1 day ago (1 children)

I think maybe a better option would be to simply ban new development of disaster-prone land. Looking to build a new house or subdivision? Look elsewhere. And maybe disincentivize rebuilding on the same lot your house used to be on, eg. insurance only pays half if you plan to stay.

But what happens when all those tens of millions of people who can’t get housing in their current state flood into low COL places where we still have good water and forest resources, where drought and major storms are significantly less of a concern, but where people from high cost areas can very easily buy all the cheap houses and land, preventing locals from ever being able to buy ever? I mean even the housing inflation since 2020 alone has priced most people out of ownership in my state, cuz our wages are super low.

Do we start cutting everything down throughout the Midwest to build up the same giant cities the coastal areas have? Do we start pulling all the ground and surface water up to accommodate the populations of California, Florida, Texas, Georgia, etc. that experience fire, flood, earthquake, tornado, or hurricane on a regular basis? Cuz that’s going to lead to drought and fire, too, and then nowhere will be safe/safer.

I don’t think getting people to leave those areas, mass-migration style, is a particularly good option, honestly.. it’s just going to cause the problems to move with the huge populations. The only good option long-term is fixing the mess the rich have created. Or rather, forcing them to do it.

[–] benjhm@sopuli.xyz 3 points 1 day ago

It's now decades too late to choose between climate mitigation and adaptation, we have to do both. This includes that more people will inevitably migrate to more 'climate-safe' regions. The challenge is to help that process be more gradual and equitable, which includes some issues you raise. For example development of new homes creates opportunities, including jobs, but older landowners may benefit disproportionally.
This is a global issue, not specific to USA, but given that context, while I also have little sympathy for billionaires with seaside palaces in Florida, such people are few, and it's also hard to feel sympathy for populations in the midwest who collectively voted for decades for climate-denying politicians who blocked effective policies, even influentially on a global scale.

[–] Bronzebeard@lemm.ee 4 points 2 days ago (1 children)

Half the country is a climate danger zone at this point.

[–] jagged_circle@feddit.nl 0 points 1 day ago

No. Can you name one place that is not?

[–] Fisherman75@slrpnk.net 4 points 2 days ago (1 children)

Yeah it sure is cheap living in the bread basket of the world, the san joaquin valley. My rent is 334. I even have housing assistance. Ag ag ag is all I hear here, and everyone has no idea how unsustainable industrialized agriculture is. Plus the droughts, the toxicity, the general poverty, and also valley fever.

[–] gibmiser@lemmy.world 2 points 2 days ago (2 children)
[–] Fisherman75@slrpnk.net 3 points 1 day ago

A fungus infecting the ecosystem and crops in the san joaquin valley that makes people get this fever thing, makes everyone sniffly kind of and some other stuff.

[–] LibertyLizard@slrpnk.net 5 points 2 days ago

A fungal disease that you can catch by inhaling dust. Only happens in the arid Southwest.