this post was submitted on 23 Nov 2025
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Climate - truthful information about climate, related activism and politics.

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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.

Recommended actions to cut greenhouse gas emissions in the near future:

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[–] naught101@lemmy.world 3 points 16 hours ago (7 children)

Labor: no thanks, we'll just dig it all up and ship it overseas with barely any royalties and then do some creative accounting with offsets that we know are bullshit anyway.

[–] Hotznplotzn@lemmy.sdf.org 6 points 15 hours ago (2 children)

Australia is among only 24 countries that will meet next April for a conference co-hosted by Colombia and the Netherlands to work on plans for a complete fossil fuel phase-out. Other participating countries include Austria, Belgium, Cambodia, Chile, Colombia, Costa Rica, Denmark, Fiji, Finland, Ireland, Jamaica, Kenya, Luxembourg, Marshall Islands, Mexico, Micronesia, Nepal, Panama, Spain, Slovenia, Vanuatu and Tuvalu.

It is these countries that are leading the way in the fight for a better climate.

The two largest economies and historical emitters, the US and China, were as conspicuous in their lack of impact during the COP30 as they were before. U.S. President Donald Trump declined to send representatives as the Washington exits from global climate accords.

And China has once again proven to focus more on its own interests in trade rather than stepping into a stronger leadership role in fighting climate change while it's energy consumption continues to rise at a staggering rate. The country accounts for one third of the of the world's total energy consumption, compared to a fifth 15 years ago, and is responsible for 90% of the increase in these emissions since 2015. China is portraying itself as a leader in climate policy, but when it's leader Xi Jinping announced a decrease of over 7% by 2035 a few weeks ago, he carefully avoided specifying a baseline.

Researchers think that China’s NDC (Nationally Determined Contribution) falls short to limit global warming to well below 2 °C above pre-industrial levels, and striving to stay below 1.5 °C. As Lauri Myllyvirta, an analyst who has tracked China’s emissions trends for more than a decade, said in Nature, “Anything less than 20% is definitely not aligned with 2 degrees. Similarly, anything less than 30% is definitely not aligned with 1.5 degrees."

Myllyvirta also says that China's announced emissions cuts — as 7–10% of an undefined amount, rather than specifying a year as the basis for calculation – leaves the door open for short-term emissions increases.

The different pathways for China to achieve carbon neutrality between 2030 and 2060 could result in different amounts of cumulative emissions, says Myllyvirta. “What matters for the climate is the total amount of GHGs emitted into the atmosphere over time,” he says, adding that this is why cutting emissions fast early on is important.

So we should not criticize Australia here, but rather China, the U.S., Russia, and Russia as it is them that opposed to phase out fossil fuels.

[–] naught101@lemmy.world 2 points 12 hours ago (1 children)

I'm Australian. I'll criticise Australia as much as I want. Both of our major parties have been dragging the chain on fossil fuels for decades. If you think Australia is going to go into that conference without a pro-fossil fuel agenda (at least relative to what is actually needed), then you are deluded.

[–] Hotznplotzn@lemmy.sdf.org 3 points 10 hours ago

Yeah, sure. China (the world's biggest polluter that has been increasing its emissions for decades with no end in sight and apparently no intention to even slow down its increase) and some oil producing countries are blocking the road for a fossil fuel phase out, but you're criticizing others. Classic.

[–] als@lemmy.blahaj.zone 2 points 14 hours ago* (last edited 14 hours ago) (1 children)

Australia also seems opposed to the phase out if they're digging up more coal or opening new gas fields

[–] Hotznplotzn@lemmy.sdf.org 4 points 14 hours ago (1 children)

Australia joins the group of these 24 countries, and they didn't lobby against phasing out fossil fuels - unlike Russia, China, India, the U.S.. Saudi Arabia, and some other oil producing countries.

Australia's reliance on coal-fired power drops to record low in early 2025, the country pledged to end coal consumption by 2038 or earlier (no, that may be not enough, too, but China, India, Russia & Co are not even close to this, and they do nothing that it gets better).

[–] naught101@lemmy.world 1 points 12 hours ago

Yeah, coal is decreasing as a share of our domestic usage, but we are still one of the world's biggest coal exporters.

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