this post was submitted on 19 Sep 2024
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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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Barcelona and Majorca will shift to a desert-like climate by 2050, new drought study warns (www.euronews.com)
submitted 12 hours ago by [email protected] to c/[email protected]
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"Summer has increased by an average of 36 days across Spain over the last 50 years.

Spain is slipping into a desert climate, according to a new study into the relationship between global heating and drought.

The Mediterranean country is clearly on the frontlines of climate change in Europe. Now researchers at the Universitat Politècnica de Catalunya (UPC) in Barcelona have delved deeper into its climate vitals.

By 2050, they predict that rainfall will decrease by up to 20 per cent compared to current levels. This would tip Spain from a temperate Mediterranean climate into a steppe- or even desert-like one, as per the Köppen system which divides the world into five different climate zones based on plant growth.

“The warming process resulting from climate change has been very pronounced in mainland Spain and the Balearic Islands, representing a true hotspot,” the researchers write..."

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