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silence7@slrpnk.netM to Climate - truthful information about climate, related activism and politics.@slrpnk.netEnglish · 12 days ago

Building a World Without Carbon Requires Megaproject Thinking

rooseveltinstitute.org

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Building a World Without Carbon Requires Megaproject Thinking

rooseveltinstitute.org

silence7@slrpnk.netM to Climate - truthful information about climate, related activism and politics.@slrpnk.netEnglish · 12 days ago
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Building a World Without Carbon Requires Megaproject Thinking - Roosevelt Institute
rooseveltinstitute.org
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One of the biggest mistakes we can make in the current moment is to assume climate change is only an environmental problem—one that we will address at some time in the future. Climate change is an everything problem. It affects our economy, national security, health, competitiveness, and communities right now, and how we respond to it sets the landscape on how the future unfolds. Clean industrial strategy for a problem this large requires the kind of thinking that goes into the construction of multibillion-dollar, multiyear megaprojects.
  • jimmy90@lemmy.world
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    12 days ago

    could start with a cheeky little megaproject first to see if the tech works

Climate - truthful information about climate, related activism and politics.@slrpnk.net

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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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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