this post was submitted on 11 Jul 2025
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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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Seeing fewer fireflies this year? Here’s why, and how you can help. (grist.org)
submitted 1 day ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Fireflies are vulnerable to climate change and habitat loss. Some simple landscaping tricks and turning off porch lights can make a big difference.

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[–] Nefara@lemmy.world 6 points 1 day ago

We've been making a conscious effort to be more friendly to pollinators and fireflies for the last two years. I stopped leaving the exterior lights on when we didn't need them. I overseeded wildflower mix on a part of our lawn that is hard to mow, and while I mulched the leaves, I left them where they were and then just didn't touch a whole section of our land that now looks pretty wild with weeds. That part was some laziness too, but it was so validating to see twinkling lights in the field outside and in the brush. I've been making a point of going to look for them at twilight, they really are magical.