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Serious mistakes found in recent paper by Connolly et al.

Real Climate

solar fit (thin wavy blue line) shows a cooling Sun recently, but the straight-line fit is tilted upwards by the effect of the historical wiggles. This calculation literally turns a recent cooling effect into a warming one. For “recent decades” I removed solar datasets that end before 2005. References. Richardson, and R.E.

2015 358
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The Rise and Fall of the “Atlantic Multidecadal Oscillation”

Real Climate

These interactions were thought to lead to alternating decades-long intervals of warming and cooling centered in the extra-tropical North Atlantic that play out on 40-60 year timescales (hence the name). Background.

Cooling 271
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As Soon as Possible

Real Climate

Furthermore, if you squinted, you could perhaps convince yourself that there was a correlation to solar activity – well, at least Soon could ( Soon, 2005) ). Indeed, it was still possible to claim in 2000 that Arctic temperatures had not yet exceeded levels in the late 1930s/early 1940s. And which solar reconstruction did he use?

2005 362
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How not to science

Real Climate

Remember ‘satellite cooling’?]. This was before Wentz and Schabel (1998) pointed out that orbital decay in the NOAA satellites was imparting a strong cooling bias (about 0.12 The raw trend in the (then Version C) MSU2R record from 1979-1993 was -0.04 K/decade) on the MSU2R (TLT) record. and that had a raw trend of -0.01

2014 341
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Guest Essay: Geothermal Might Have The Answer For Pennsylvania's Clean Energy Needs

PA Environment Daily

Pennsylvania will need to generate more energy in the next two decades, even as the state has set a goal to reduce greenhouse gases 80 percent by 2050 from 2005 levels. In addition to being climate-friendly, its small footprint and ability to meet site-adjacent heating and cooling needs eases pressure on land use and wildlife.

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New study suggests the Atlantic overturning circulation AMOC “is on tipping course”

Real Climate

This has been suggested by simple conceptual models since Stommel 1961 , confirmed for a 3D ocean circulation model in my 1995 Nature article , and later in a first model intercomparison project in 2005 , among other studies.

Ocean 364
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The CO2 problem in six easy steps (2022 Update)

Real Climate

The factor that quantifies this effect is called the ‘efficacy’ of the forcing, which for the most part is reasonably close to one, and so doesn’t change the zeroth-order picture (Hansen et al, 2005). W/m 2 , and the net forcing (including cooling impacts of aerosols and natural changes) is 2.7±0.8 Sherwood, M.J.

Radiation 352