this post was submitted on 01 Mar 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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At the heart of the Paris Agreement is the requirement for countries to submit nationally determined contributions (NDCs), roadmaps outlining how they intend to reduce emissions and strengthen resilience and adaptation. These NDCs include policies and measures they will adopt for implementation.

This approach has allowed nations to set unambitious targets and delay meaningful action. An analysis of the initial set of NDCs revealed that seven of the eight highest-emitting countries submitted pledges far weaker than needed to meet equitable allocations in keeping warming under 1.5°C.

Worse, most countries are failing to update their commitments. To date, fewer than 10% of signatories have submitted updated NDCs. This demonstrates the growing mitigation gap: the difference between stated commitments and the reductions required to meet scientifically informed targets.

For developing nations, the climate crisis is not limited to emissions reduction; it’s a fight for survival.

Partially in compensation for this recognised hypocrisy, the Paris Agreement included a $100 billion a year climate finance pledge to support developing economies in reducing emissions and adapting to the unavoidable climate impacts. This promise has been broken.

The Paris Agreement’s country-led commitments were meant to foster global cooperation. But the lack of enforcement mechanisms has slowed crucial negotiations and allowed countries to underdeliver on their obligations.

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