this post was submitted on 11 Sep 2023
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[–] Chainweasel@lemmy.world 314 points 1 year ago* (last edited 1 year ago) (19 children)

A decade ago, It was predicted that we would hit 1.5°C between 2050-2060, and even as recently as 2 years ago the prediction had moved forward to between 2030-2040.
The next decade or two are going to be very... interesting

[–] alvvayson@lemmy.world 149 points 1 year ago* (last edited 1 year ago) (4 children)

The IPCC calculations were always criticized for being overly optimistic. Anyone following this debate knew that we would hit 1.5 C sooner rather than later.

We are definitely going to hit 3 degrees in our lifetime, once the melting tundras release their methane store.

[–] kale@lemmy.zip 57 points 1 year ago (7 children)

Melting tundra releases methane, accelerating the increase in temperature. Rising temperature reduces polar ice, making oceans absorb more heat, accelerating heating. Climate pattern changes cause more frequent and larger wildfires, accelerating heating.

There are probably processes that work to reduce heating as it increases that I'm not aware of, but there are a lot of positive feedback processes which is concerning.

I believe the IPCC 1.5C was criticized because it included effects of a carbon sequestering process that hasn't been invented yet. That's pretty optimistic.

[–] ChickenLadyLovesLife@lemmy.world 29 points 1 year ago (1 children)

There are probably processes that work to reduce heating as it increases

Nuclear war, for one. In a more naturalistic vein, asteroid strike or massive volcanic eruptions. People worried about climate change just refuse to look on the bright side.

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[–] SCB@lemmy.world 33 points 1 year ago (1 children)

If anyone is curious about what 3C looks like, here's a solid video on how a 3C world would look.

https://youtu.be/uynhvHZUOOo?si=yk8rvR1Bg3t4aKGe

It's 16 minutes so as a TL;DW: Not "extinction event" but extremely bad. Areas of the globe will simply become unlivable - and these areas tend to be highly populated. The resulting mass migrations and shortages of water/food will lead to conflict, often between nuclear powers. End result: humanity will keep on living, but it will be a significantly more deadly environment and a significantly more conflict-prone political environment. Economic collapse will hit major metropolitan centers.

If watching the video bums you out try to focus on the absolutely bonkers cool sideburns the climate scientist has. Cheered me up a little. Like a handsome person telling you that you have a bad disease.

Anyway, vote for climate-positive outcomes wherever possible and consider joining a climate lobbyist group. I'm a member of this one but I'm sure there are others.

https://citizensclimatelobby.org/

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[–] ruford1976@lemmy.world 95 points 1 year ago* (last edited 1 year ago) (1 children)

what's worse is that it's actually 1.6 C

it says in the article here

Data released last week from Copernicus, a branch of the European Union Space Programme, shows August was 1.59C warmer than 1850–1900 levels, following a 1.6C increase in July.

[–] rallatsc 49 points 1 year ago (1 children)

Yes but only for a couple of months, averaged over the whole year it's significantly lower than that. Probably still on track to hit the annual average of 1.5 sometime in the next 10-20 years. Still definitely a dire situation but not entirely out of left field based on the recent estimates.

The recent records have now lifted the year-to-date global temperature to the end of August to 1.35C above pre-industrial levels, just 0.01C behind 2016 — the current record holder

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[–] BaronDoggystyleVonWoof@lemmy.world 37 points 1 year ago (4 children)

Soooo 3 degrees bij 2050? We are so fucked.

[–] Sylver@lemmy.world 50 points 1 year ago (3 children)

Yeah, it’s honestly horrifying to see the lack of reaction around the world. If you live anywhere near the coast, you better get the fuck out or tell your kids to.

[–] Serinus@lemmy.ml 41 points 1 year ago* (last edited 1 year ago) (5 children)

I'm already telling people to get out of Florida*. I expect multiple Katrina-level events over the next 15 years. "Florida refugees" is going to become a common phrase.

Orlando might be more likely to survive than Miami or Tampa, but do you really want to be in the city surrounded by devastation?

We, as humans, seem to have lost the ability to plan more than 20 years into the future. Florida is still building in areas that are going to be crushed, and the only reaction is from insurance companies.

We're not trying to prevent it. We're not building any kind of defenses or contingency plans. We're not encouraging people to move out. We're not preventing people from moving in. In fact, we're building new and encouraging people to move IN to Florida. It's full on head in sand.

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[–] kescusay@lemmy.world 183 points 1 year ago (31 children)

I have kids. I am fucking livid that the assholes who pretend climate change isn't happening have decided to sacrifice their kids and mine on the altar of making a quick buck.

You can't eat money, assholes. And you can't bring it with you when you die. If the future is nothing but more and more severe weather to the point that civilization collapses under the strain, then I hope you live long enough to see it and are unable to hide from reality anymore.

[–] speck@kbin.social 33 points 1 year ago (1 children)

They have the money and/or ignorance to continue hiding from reality

[–] Chetzemoka@kbin.social 41 points 1 year ago (2 children)

They think they do. No amount of money will protect a person from the collapse of a civilization. Never has, never will. Their plans are very much predicated on the assumption that markets will somehow magically continue to function after the general populace has lost all faith in them

[–] Chocrates@lemmy.world 21 points 1 year ago* (last edited 1 year ago) (5 children)

What about the ultra rich that have built bunkers and have their security outfitted with locking, exploding collars to keep them in line?

I forget who, but some consultant said that they did a talk with a small group of the ultra wealthy that are doing this.

Edit: This is what I was referring to https://www.theguardian.com/news/2022/sep/04/super-rich-prepper-bunkers-apocalypse-survival-richest-rushkoff

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[–] Nerrad@lemmy.world 154 points 1 year ago (5 children)

We had a good run. Good luck to the next species to dominate the earth. May you avoid religious dogma, find an economic system that respects your natural environment, and a political system that respects the right to live a clean and healthy world.

[–] GregoryTheGreat@programming.dev 57 points 1 year ago (3 children)

Mosquitos are like “that species was delicious. I wonder what the next one will taste like”

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[–] Sterile_Technique@lemmy.world 37 points 1 year ago (16 children)

We had a good run.

Did we, though?

[–] Gsicht@lemmy.world 66 points 1 year ago (6 children)

We created a lot of value for the shareholders.

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[–] Ghostalmedia@lemmy.world 26 points 1 year ago (6 children)

Realistically, extinction would be sweet relief compared to what is actually in store for humans with climate change. More likely that we hang around in smaller communities and death / suffering is even more widespread.

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[–] Ertebolle@kbin.social 84 points 1 year ago (1 children)

Hope everyone enjoyed the coldest summer of the rest of their lives.

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[–] giacomo@lemm.ee 49 points 1 year ago (12 children)

Haven't they heard of the american method? Don't they know the cure for X is more X?

We just need to add some more global warming and that will solve global warming!

Or is that just applicable to guns and debt?

[–] WaxedWookie@lemmy.world 51 points 1 year ago* (last edited 1 year ago) (4 children)

Nah - it'll just pivot to "Well it's too late now - no reason to hold back".

I genuinely wonder why eco-terrorism isn't already a meaningful "problem" - I don't mean "some protestors blocked a road for a couple of hours or flinged some paint and soup around" - I mean "You're working to kill all known life in the universe, and we're doing whatever it takes to stop you."

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[–] sirico@feddit.uk 48 points 1 year ago (1 children)

I hope the corporation's and governments are ok poor loves.

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[–] ruford1976@lemmy.world 37 points 1 year ago (12 children)

Is there anything i could/can do to make a difference?

[–] Buffalox@lemmy.world 60 points 1 year ago (11 children)

Apart from the voting which is above all else, if you REALLY want to do something on an individual basis, you should reduce your meat or become a vegetarian. It seems that's what experts claim has the biggest impact. Apart from that, don't have children, or 2 at most.

[–] Brainsploosh@lemmy.world 86 points 1 year ago* (last edited 1 year ago) (4 children)

There are other things you can do individually as well, like try using the car and AC less, and generally live more frugally.

But remember that 100 companies make up 71% of all human made carbon emissions. It's good to act locally, but we need global action to stop these companies and their supporters, that means voting for competent government.

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[–] Bipta@kbin.social 59 points 1 year ago (2 children)

Please don't have children. Think about the life you're condemning them to.

[–] Swim@lemmy.ca 41 points 1 year ago (2 children)

this is sadly where my head is at.

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[–] hardypart@feddit.de 29 points 1 year ago (12 children)

If we don't have children because we care for our planet, we leave the world to those who don't care at all. Not sure if this is the right decision.

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[–] Montagge@kbin.social 40 points 1 year ago (3 children)

There are no peaceful ways to make a difference. Change my mind.

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[–] genoxidedev1@kbin.social 28 points 1 year ago

Honestly, I'm pretty sure the deficit we could create on an individual basis will just be used by companies instead, so I'm just gonna agree with the others on voting being the most effective method of making a difference.

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[–] SeaJ@lemm.ee 36 points 1 year ago (1 children)
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[–] kSPvhmTOlwvMd7Y7E@lemmy.world 31 points 1 year ago (2 children)

We did it boys, cold is no more

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[–] flowerofanarchy@lemmy.dbzer0.com 29 points 1 year ago (28 children)

Climate change must be stopped by any means necessary. Start doing what must be done. You know what that means.

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[–] Da_Boom@iusearchlinux.fyi 26 points 1 year ago (7 children)

Side note, If you squint your eyes that picture kinda looks like a pizza.

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[–] xc2215x@lemmy.world 24 points 1 year ago (1 children)

Climate change is having a tremendous effect.

[–] FaeDrifter@midwest.social 22 points 1 year ago

Tremendous, very smart people are saying it's the biggest change we've ever seen. Nobody has ever seen the numbers this high before. The best people are saying we have the highest numbers. Isn't that something?

[–] Gee2oo40@lemmy.world 23 points 1 year ago
[–] phoenixz@lemmy.ca 23 points 1 year ago (13 children)

Again, I'm not going to read that. It will just make me sad and angry a d nothing will change.

Politicians don't give a shit, even of they'd understand what is going on, they're mostly too dumb...

Things are going to get a LOT worse and nobody seems to understand that there is no quick fix here. "Yeah but CO2 scrubbers can..." no they cannot. Building those generates tonnes of CO2, then run ing them effectively generates CO2 as well. Think about it. Even if you put them on a solar grid (which too will initially cost CO2, not hugely important but just to keep in mind), the electricity that that grid generates to pull 100 tonnes of CO2 out of the air will NOT be available to other systems which will generate 150 tonnes of CO2 for their electricity.

Untill ALL electricity is solar, wind or nuclear, it literally is just throwing away energy. It's actually more efficient to just connect those solar cells for your CO2 scrubbers to the electrical grid. You won't pull 100 out, but now at least somewhere else won't put in 150 into the system.

And even if they work. Do you have any idea how much CO2 we currently generate, and worse, how much we have generated that is in the atmosphere that we need to pull out for things to get better?

The current state of CO2 scrubbers is close to carrying water out of the ocean with buckets.

You wanna pull the extra CO2 out of the air? We've been adding extra on an industrial scale for near 2 centuries. RHAT amount of CO2 is what we need to pull out to get back to what it should be.

You always have losses with conversions, but taking that the earth has beeb pulling more CO2 you can more or less say that getting all the extra CO2 out of the atmosphere will take at least the same amount of energy that we've been generating with burning fossil fuels for the past 2 centuries. Think about it, were talking spending energy to pull air through a system, spending energy to filter the CO2, spending energy to store it, spending the same amount of energy we got from bur ing fuels to split the c from the O2 (same process in reverse), then spend energy to process and store all that carbon. Mayke Plastics out of it, maybe? Storing co2 is a problem as the amounts are astronomical. Where do youbstire cubic kilometers of CO2 , every year? If it escapes your back to square one.

Yes, that is a shit load of energy that we can't produce all at once. For the next decades we'll have to dedicate 25-50% of our energy output to cleanit the atmosphere, there is no way around that, there are no free lunches here.

Electrical cars are NOT the solution. For a small part, maybe, but mostly not. Electrical cars require roughly the same amiunt of energy as a gas car, that still needs to be generated. We need to use less energy. Wasting tonnes on energy on transporting 2 tonnes just to move a 70kgs person for a few kms is just insane. Use bikes. Walk. Use public transportation.

You wanna solve the climate change crisis?

  1. make sure all central electrical power generation is solar /wind /water /nuclear within 10 years. Until we are at that point, the rest doesn't even matter.

1a) in parallel, start redesigning all our cities to become walkable. This doesn't mean the conspiracy bullshit that American criminally lying politicians are saying, this means that stored and stuff we want is close by. Cities will be primarily for people, not cars. You can walk to stores because they're close by. You can use bicycles to go everywhere we want. Public transportation can take care of the rest and with that we can get rid of 90+% of cars. Not because it's forbidden, hit because we'll designed cities don't NEED cars.

  1. There are loads of things that can't go electrical, like airplanes. Reminds me: BUILD TRAINS. FFS America get your shit together and start building good railroads. Then you can get rid of half your airplane flights. Most flights are short enough that a high speed train is faster than flying anyway. The longer flights s yous still need cannot go electrical. You'll need to build and run scrubbers spending the same amount of energy as those airplanes (and other systems that can't go electrical) just to make sure their CO2 doesn't add to the problem.

  2. increase our energy capacity by a factor of two. We need to generate twice the amount of energy (all green) so that 50% can go to scrubbing our atmosphere for the next, say, century.

  3. think about how to store all the captured CO2 or convert it to plastics or something.(double the energy required)

  4. get ready to pay 2-3 times more for our energy. We've been the party generation who have enjoyed cheap energy from burning crap. The next 3-4 generations at least will be paying the bill, that is if they get to live to do so.

THIS IS IMPORTANT, I CANNOT CLARIFY THIS ENOUGH:

None of us will see this problem solved. Even if we actually seriously start working on fixing this shit today, we will be long dead and gone before this is done. THERE IS NO QUICK FIX. It took centuries to get here, it will take at least a century to get back where we started

Anyone claiming that this is easy to solve, sorry, is lying.

This is the biggest threat mankind has faced and people somehow just don't give a shit and it is fucking depressing

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[–] obinice@lemmy.world 23 points 1 year ago

We did it! 🎉🎊

Just goes to show what we can accomplish when, as a species, we put our minds to a goal.

2.5c here we come!

[–] Boiglenoight@lemmy.world 21 points 1 year ago

I'm sure it will all work out.

(later)

💀

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