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Gernot Wagner
@gwagner@fediscience.org  ·  activity timestamp 2 weeks ago

Holy wow, +3.5 ppm CO₂ last year, up from +2.4 ppm average the past decade, and +0.6 ppm in the 1960s.

It gets scarier the closer you look at it. All this is a stress test for the planet, and it's buckling.

Two big reasons for the massive increase: wildfires, and the ocean sinks are shutting down.

#Climate

Globally averaged CO2 concentration (a) and its growth rate (b) from 1984 to 2024. Increases in successive annual means are shown as the shaded columns in (b). The red line in (a) is the monthly mean with the seasonal variation removed; the blue dots and blue line in (a) depict the monthly averages. Observations from 179 stations were used for this analysis.
Globally averaged CO2 concentration (a) and its growth rate (b) from 1984 to 2024. Increases in successive annual means are shown as the shaded columns in (b). The red line in (a) is the monthly mean with the seasonal variation removed; the blue dots and blue line in (a) depict the monthly averages. Observations from 179 stations were used for this analysis.
Globally averaged CO2 concentration (a) and its growth rate (b) from 1984 to 2024. Increases in successive annual means are shown as the shaded columns in (b). The red line in (a) is the monthly mean with the seasonal variation removed; the blue dots and blue line in (a) depict the monthly averages. Observations from 179 stations were used for this analysis.
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Gernot Wagner
@gwagner@fediscience.org replied  ·  activity timestamp 2 weeks ago

For the mathematicians in the room, that's the 3rd derivative pointing in the wrong direction.

The plus 3.5 ppm CO₂ means we're at 423.9 ppm. That increase is still increasing at an increasing rate.

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Gernot Wagner
@gwagner@fediscience.org replied  ·  activity timestamp 2 weeks ago

For the mathematicians in the room, that's the 3rd derivative pointing in the wrong direction.

The plus 3.5 ppm CO₂ means we're at 423.9 ppm. That increase is still increasing at an increasing rate.

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