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 lettruthout@lemmy.world to c/climate@slrpnk.net
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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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[–] conditional_soup@lemm.ee 3 points 11 months ago (2 children)

I see it as self-sorting, with no need to ban them. Eventually, most of the world is either going to be climate migrants or impacted by climate migration or impacted by climate change in some other way, likely all three. Some of those impacted people might be really resentful about it. Some of those resentful people might see wealthy executives and oil companies as personally accountable. It probably won't take long for the wealthy to wise up and voluntarily give them up once it becomes clear what an acme bullseye they really are.

[–] PM_Your_Nudes_Please@lemmy.world 13 points 11 months ago (1 children)

It probably won't take long for the wealthy to wise up and voluntarily give them up once it becomes clear what an acme bullseye they really are.

I don’t believe this, simply because the rich have also been busy buying and building mega secure doomsday bunkers.

[–] conditional_soup@lemm.ee 3 points 11 months ago

I was going to sarcastically ask if they're going to move their yachts into their bunkers, but then realized I don't want to know the answer.