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California Climate Policy: A Preliminary Report Card

Legal Planet

California has done well in terms of total emission reductions – about a 10% reduction from 2009 to 2019. Electric power related emissions went down about 40% from 2009 to 2019. Total direct transportation emissions in 2019 were about the same as those a decade earlier. What’s the Overall Verdict?

2009 271
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A Nobel pursuit

Real Climate

2019 ) gives a good overview of Manabe’s particular philosophy of climate modeling which was very much focused on getting things to work, and not worrying too much about the details. The basic issue stems from the different timescales of the ocean and atmosphere. Manabe’s Climate Modeling. That paper ( Manabe et al.,

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The Latest IPCC Report — How Are We Doing on Mitigation?

Law and Environment

I suspect that, if one asked the average American whether GHG emissions increased or decreased from 2010 to 2019, they would say that emissions decreased. GHG emissions in 2019 were 12% higher in 2019 than 2010. We’re almost certainly going to have to spend money pulling carbon from the atmosphere.

2010 130
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The CO2 problem in six easy steps (2022 Update)

Real Climate

The fact that there is a natural greenhouse effect (that the atmosphere restricts the passage of infra-red (IR) radiation from the Earth’s surface to space) is easily deducible from; i) the mean temperature of the surface (around 15ºC) and, ii) knowing that the planet is normally close to radiative equilibrium. in IPCC TAR).

Radiation 316
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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

Another clue indicating a shortcoming is if you look at the atmospheric CO 2 -concentrations over time to see how much impact the IPCC reports have had on the real policy-makers in the world (Figure below). The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air.

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Should the official Atlantic hurricane season be lengthened?

Real Climate

1 Average number of named storms by day of the year in the historical record from 1851–2019 (dark blue line). The difference is due largely to the differences in the regional atmospheric response that occurs in concert with the SST warming. The days of formation for the 2020 named storms are shown by the red squares. Zhang et al.

2020 249
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The Stream, June 24, 2021: Excess Animal Waste Pollutes Water In Northern Ireland

Circle of Blue

An atmospheric river will bring heavy rainstorms across Australia this week. In 2019, 212 environmental activists were killed, according to data from the advocacy organization Global Witness. Atmospheric rivers are like rivers in the sky that transport mass amounts of water, bringing heavy rain and wind gusts. ON THE RADAR.

Waste 130