this post was submitted on 14 Mar 2026
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Climate

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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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cross-posted from: https://lemmy.world/post/44252191

Today is the International Day of Action for Rivers.

Climate Change, Deforestation, Upstream Dams and Diversion, Urbanization, Population Pressure are the most acute reason behind the dying situation of a mighty river like Padma. Changes in weather patterns and shifting precipitation regimes have led to reduced rainfall and altered river flow. These changes disrupt the natural balance of water in the river. Unregulated deforestation along the river basin has resulted in soil erosion, siltation, and reduced groundwater recharge. This, in turn, impacts the river's ability to maintain a healthy water flow. Construction of dams and diversion of water for various purposes upstream significantly reduces the water reaching downstream areas, including the Padma River. The gradual drying of the Padma River carries several grave consequences like Ecological Impact, Environmental Degradation, Agricultural Disruption, Water Scarcity, Economic Fallout and many others. Reduced water flow disrupts the river's ecosystems, affecting aquatic life, wetlands, and biodiversity. Farmers who rely on the river for irrigation face challenges, leading to decreased agricultural productivity. As the river's water levels drop, it directly impacts the availability of drinking water for communities living along its banks. The drying of the river can lead to increased pollution, sedimentation, and loss of natural habitats.

Photographer: Asker Ibne Firoz

CC BY-SA 4.0

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