In this case it would be technical. The DAC stuff is a joke: https://cleantechnica.com/2024/02/15/ccs-redux-best-carbon-capture-facility-in-world-creates-25x-more-co2-from-use-of-product/
but how the captured carbon is stored is a different technology and challenge.
The ironic and baffling problem is that the captured CO2 is used by the fossil fuel industry to extract more (oil). They're the big fans of it. The stuff about fixing CO2 in rocks seems more like a TED talk.
>Global energy-related CO2 emissions grew by 1.1% in 2023, increasing 410 million tonnes (Mt) to reach a **new record high of 37.4 billion tonnes (Gt)**. This compares with an increase of 490 Mt in 2022 (1.3%). Emissions from coal accounted for more than 65% of the increase in 2023.
[sauce](https://www.iea.org/reports/co2-emissions-in-2023/executive-summary#:~:text=Global%20energy%2Drelated%20CO2,of%20the%20increase%20in%202023.)
Closer to 40 billion than trillion but the point stands.
In January, NASA reported that its Jet Propulsion Laboratory had developed new satellite equipment that pegged the melting of the Greenland Ice Sheet at 30 Million Tons/hour. This statistic was 20% higher than scientists thought. NOAA has already estimated that the AMOC has slowed by 15% so it will get slower. It was also reported that the Antarctic glaciers (Thwaites and others) are being steadily undermined by warm water from the ocean. This water is carving back the glaciers' attachments to the bedrock and is speeding their degradation and calving.
I remember finding out in my 20s that more than half of all CO2 emissions from fossil fuels, since the beginning of the industrial revolution, had occurred since I had been born.
And this is probably also true for everyone born since then as the rate of emissions continues to accelerate..
Good news! If the economy grows at 3%, then in 23 years it will have burned an amount equal to all that plus the time you've been alive up to now! GO US
I am 22 and a lot of the inflection points on the graphs start in 1980 so I have been around for like half of the extreme effects for temperature increases in a lot of other stuff
Indeed, to all intents and purposes, anthropogenic climate change started in about 1970. The **vast** majority of emissions and warming has been since then (\~320-420ppm between 1970 and 2020, 1750 to 1950 by comparison went from roughly 275ppm to 300ppm). It's taken *just 54 Years* to get to where we are today, not 154.
Trump told us it was washed or some shit...
>"We've ended the war on beautiful, clean coal. and it's just been announced that a second, brand new coal mine where they're going to take out clean coal — meaning they're taking out coal, they're going to clean it — is opening in the state of Pennsylvania," Trump said.
[sauce](https://abcnews.go.com/US/trump-clean-coal/story?id=49376237)
"We've ended the war on beautiful, clean coal. and it's just been announced that a second, brand new coal mine where they're going to take out clean coal — meaning they're taking out coal, they're going to clean it — is opening in the state of Pennsylvania," - Trump
[https://abcnews.go.com/US/trump-clean-coal/story?id=49376237](https://abcnews.go.com/US/trump-clean-coal/story?id=49376237)
More destructive emissions have been released in the past less than four decades than in all of modern history before that. The rate of pollution and destruction is increasingly increasing.
The *Energy Slaves* concept states that a single US-Europe flight uses more energy than the continent of Europe did during the entire middle ages (~1000 years).
Thanks for reminding me of this excellent [illustration](https://www.stuartmcmillen.com/comic/energy-slaves/) of it.
I recall the peak oil one is quite good too.
what is never considered is the asymmetric distribution of refined energy and generated waste. For each unit of energy, x, you get some x\^n in waste, and all that waste needs to go somewhere...
More importantly is that the waste is generated a much greater rate than the energy and all that leads to future consequences...and here we are choking on our own feces.
It's like the way we talk about climate change beginning with the Industrial Revolution makes it feel like the problem was burning all that coal to run mills in 1850 rather than how everyone wants to drive a Ford F150
Yes, developing nations that are attempting to modernize are burning cheap coal. Can you blame them? The West has set a standard of living that everyone else wants to achieve, and coal is the easiest starter fuel. We *could* warn them of the dangers, but why would they listen when we refuse to curb our own fuel consumption? For Pete's sake, we're spinning up AI server farms left and right. We keep building new roads and new cars. We're still burying Ghana under literal tons of discarded fast fashion and the entire ocean in empty Coke bottles. The US refuses to compromise one iota to address climate change. So who are we to insist that others do better?
The hypocrisy serves no one.
I've had this comment before. People are talking about the big emitters cutting back. It's true the US and China are the biggest emitters by far but they've peaked and are reducing. Not fast enough but they are falling.
The developing world though hasn't peaked, it's why pushing renewables to these countries is so important. Can we actually drag the global south into the developed world while completely skipping the dirty fossil fuel revolution? Probably not.
Yes we can blame them. We can blame industrialized nations too. Standard of living at all costs got us in this mess. Now we have the knowledge, and you’re saying it’s okay because they deserve the standard of living too? None of us do, because it’s unsustainable.
Sorry, I wasn't trying to imply anything about your statement in particular (though I can see how it came across that way). I posted my statement because these sorts of posts generally devolve into different flavors of "developing countries are screwing us over" in the comments, and it makes me insane. Forgive me, please.
SS. In the first six months of 2024, more money was invested in renewable energy than on fossil fuels, sounds great right? Wrong. Coal is so cheap now that developing nations can't resist it. But hey, most developed nations used coal so who are we to judge? And while Australia is quite happy to dig it out of the ground and sell it fairly cheaply then that will fudge the figures down.
Related to collapse because Coal made up 35% of electricity production in 2023, over 10k terrawatts, and more than any other source of electricity, and we know that coal is the dirtiest of fossil fuels. We can't even get off the worst of the fuels, what hope have we of avoiding 5°c by 2070?
This year, we are already solidly above 1.5 C warming with 2023 being a notably hotter year than the warming trend by a good margin-- and the first half of 2024 another remarkable bump hotter again.
In messaging around 2050, the "moderate" case warming was formerly held to be around 2 C. That is 26 years from 2024. A year above 1.5 C and a stark jump from the prior hot streak of years leading up to this latest "faster/sooner than expected" year.
Source to start with if this is news to anyone.
https://nca2023.globalchange.gov/
One year is NOT climate. Climate is measured in 20 year chunks. We have not hit a new CLIMATE of 1.5 degrees - but by both our horrendous stupidity AND some weird flukes of natural climate rhythms we have temporarily pushed through 1.5. It's important to note this - or we'll have climate sceptics harping on about it all being overhyped when the temperature eventually drops again.
I prefer science. As I just posted above before seeing your post - One year is NOT climate. Climate is measured in 20 year chunks. We have not hit a new CLIMATE of 1.5 degrees - but by both our horrendous stupidity AND some weird flukes of natural climate rhythms we have temporarily pushed through 1.5. It's important to note this distinction - or we'll have climate sceptics harping on about it all being overhyped when the temperature eventually drops again.
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The following submission statement was provided by /u/Bellybutton_fluffjar:
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SS. In the first six months of 2024, more money was invested in renewable energy than on fossil fuels, sounds great right? Wrong. Coal is so cheap now that developing nations can't resist it. But hey, most developed nations used coal so who are we to judge? And while Australia is quite happy to dig it out of the ground and sell it fairly cheaply then that will fudge the figures down.
Related to collapse because Coal made up 35% of electricity production in 2023, over 10k terrawatts, and more than any other source of electricity, and we know that coal is the dirtiest of fossil fuels. We can't even get off the worst of the fuels, what hope have we of avoiding 5°c rise in temps by 2070?
---
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