Tag Archives: climate

Restoring agricultural soils for profit, biodiversity and climate resilience

Carbon dioxide emissions from fossil fuels and cement production – from 1750 to 2011 – was about 365 billion metric tonnes as carbon (GtC), with another 180 GtC from deforestation and agriculture.   Of this 545 GtC, about 240 GtC (44%) … Continue reading

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The Grand Climate System – the new level in planetary theory

Understanding climate require a systems approach that seems little appreciated to date. The consequence of this neglect is that widespread expectations of the future evolution of climate have no validity. The policy implication of a climate system that doesn’t behave … Continue reading

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Attrition in the climate trenches

There are ongoing skirmishes on the climate battlefront.  They involve key ideas in climate science – climate extremes, climate sensitivity and the accuracy of climate models.  There is as well an ongoing quibble – recently revisited by “climate scientists” – about whether … Continue reading

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After the deluge

My town was hit by a monster storm on Friday 20th of February 2015.  At least that’s how the media reported it.  They were thick on the ground.  If you couldn’t get interviewed for TV then you weren’t trying.  I … Continue reading

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Climate and complexity

The Pacific Decadal Oscillation, the Arctic Oscillation, the Antarctic Oscillation, the El Niño-Southern Oscillation, the Atlantic Multidecadal Oscillation, the Indian Ocean Dipole, the Interdecadal Pacific Oscillation.  A proliferation of oscillations it seems – changing abruptly between states on decadal to … Continue reading

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The Unstable Math of Michael Ghil’s Climate Sensitivity

The US National Academy of Sciences (NAS) defined abrupt climate change as a new climate paradigm as long ago as 2002. A paradigm in the scientific sense is a theory that explains observations. A new science paradigm is one that … Continue reading

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