this post was submitted on 11 Dec 2023
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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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‘Megayachts’ are environmentally indefensible. The world must ban them. (www.theguardian.com)
submitted 11 months ago by [email protected] to c/[email protected]
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“The rich gazed at their superyachts, and decided they were not enough. The new breed of megayachts, which are at least 70 metres (230ft) in length, may be the most expensive moveable assets ever created.”

“First and foremost, owning a megayacht is the most polluting activity a single person can possibly engage in. Abramovich’s yachts emit more than 22,000 tonnes of carbon every year, which is more than some small countries. Even flying long-haul every day of the year, or air-conditioning a sprawling palace, would not get close to those emissions levels.

The bulk of these emissions happen whether or not a yacht actually travels anywhere. Simply owning one – or indeed building one – is an act of enormous climate vandalism.”

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[–] [email protected] 1 points 11 months ago (1 children)

There is no reason that cargo ships should be able to burn arbitrarily dirty fuel in international waters basically constantly.

There are plenty of comfort actions that are carbon costly, but that doesnt excuse the big polluters. It's like saying people like their showers too hot so we should take colder showers before Maersk has to upgrade their systems.

[–] [email protected] 2 points 11 months ago (1 children)

But if anything should go first, it's the mega yachts. I mean it's absolutely ridiculous and isn't helping anyone.

[–] [email protected] 1 points 11 months ago (1 children)

I'm just saying take the big bites first. I'm not mega rich, but I know mega rich people are litigious AF. It is a matter of bang for the buck to me.

Go ahead and try to ban mega yachts first and see how the oligarchy shits a brick. You can stop more fuel burn faster other ways.

[–] [email protected] 2 points 11 months ago

Companies are litigious as well, that's who owns container ships.