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Nations set to agree on shipping emissions cuts but fall short of aligning with climate goals (apnews.com)
submitted 1 year ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[-] stevetauber@slrpnk.net 5 points 1 year ago

This is unfortunate. Here's the most important paragraph for those that didn't click through:

The draft plan also calls for shipping emissions to be slashed by at least 20% but aiming for 30% by 2030 and at least 70% but working toward 80% by 2040 despite a push from Pacific nations for more ambitious targets. Experts calculate the industry must cut its emissions by 45% by 2030 and reach net zero by 2050 to keep on track with 1.5 C temperature goal.

[-] silence7@slrpnk.net 4 points 1 year ago

Very little is on track to limit warming to 1.5°C above what it was in the late 1800s. Attaining that would mean a WWII-like mobilization for decarbonization. Success is a lot more likely to look like 2°C.

this post was submitted on 06 Jul 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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