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@[email protected]M to Climate - truthful information about climate, related activism and [email protected]English • 1 year ago

Could a Giant Parasol in Outer Space Help Solve the Climate Crisis? Time and money would be better spent on working to reduce greenhouse gas emissions and removing carbon dioxide from the atmosphere

www.nytimes.com

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Could a Giant Parasol in Outer Space Help Solve the Climate Crisis? Time and money would be better spent on working to reduce greenhouse gas emissions and removing carbon dioxide from the atmosphere

www.nytimes.com

@[email protected]M to Climate - truthful information about climate, related activism and [email protected]English • 1 year ago
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Could a Giant Parasol in Outer Space Help Solve the Climate Crisis?
www.nytimes.com
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Interest in sun shields, once a fringe idea, has grown. Now, a team of scientists says it could launch a prototype within a few years.
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    4•1 year ago

    Even in the “just reflect sunlight” camp… clouds. Make more clouds.

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      2•1 year ago

      Hmm clouds are water vapor.

Climate - truthful information about climate, related activism and [email protected]

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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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