this post was submitted on 11 May 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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Bees are particularly affected by higher temperatures and more intensive land use, new study reveals (phys.org)
submitted 19 hours ago by AmbiguousProps@lemmy.today to c/climate@slrpnk.net
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The number and diversity of insects is declining worldwide. Some studies suggest that their biomass has almost halved since the 1970s. Among the main reasons for this are habitat loss—for example through agriculture or urbanization—and climate change.

These threats have long been known. What is less well-known is how these global change drivers interact and how their effects can become even more severe that way. For example, insects that have been deprived of their natural habitat could be even more affected by higher temperatures in a new environment.

Researchers at Julius-Maximilians-Universität Würzburg (JMU) have investigated precisely this serious interaction at 179 locations throughout Bavaria. The study is part of the LandKlif research cluster, coordinated by Professor Ingolf Steffan-Dewenter within the Bavarian Climate Research Network bayklif.

They published their results in the journal Proceedings of the Royal Society B: Biological Sciences.

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