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Why Were 2023 and 2024 So Hot?

Union of Concerned Scientists

The year 2023 was by far the warmest in Earths recorded history, and perhaps in the past 100,000 years , shattering the previous record set in 2016 by 0.27C (0.49F). In that year, El Nio added to the increased warming caused by the build-up of heat-trapping emissions in the atmosphere, leading to that record-breaking heat.

2024 290
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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 352
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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

I think in hindsight that my concerns from 2013 to some extent were supported by the fact that the IPCC organised an Expert Meeting on Communication, Oslo, Norway, 9–10 February 2016. 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

The difference is due largely to the differences in the regional atmospheric response that occurs in concert with the SST warming. In particular, they don’t just respond to SST changes, but also how the atmosphere changes as the SSTs change. 2016 ), a reduction of Saharan dust concentration since the 1970s ( Evan et al.

2020 255
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AR6 of the best

Real Climate

The observed reduction in surface warming trend over the period 1998 to 2012 as compared to the period 1951 to 2012, is due in roughly equal measure to a reduced trend in radiative forcing and a cooling contribution from natural internal variability, which includes a possible redistribution of heat within the ocean ( medium confidence ).

Sea Level 361
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Analysis: Too hot to sleep? Nights are warming faster than days as Earth heats up?

A Greener Life

And with gruelling heatwaves becoming more common , the nights can be sweltering, with no cooling breeze to relieve the discomfort. C, in July 2016. C, also set in July 2016. By Stephen Burt. Sleeping at the height of summer can sometimes feel impossible. At least you can trust your senses – nights really are getting hotter.

2016 98
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Environmental Groups Seek Investigation Into Enbridge Gas for False Advertising

Enviromental Defense

“Natural gas”, also known as methane gas or fracked fossil gas, is a potent greenhouse gas that pollutes the environment and causes climate change when it is burned and when it escapes into the atmosphere during extraction, production, and transportation. But Enbridge is misleading these people, and trying to lock in more Ontarians to gas.

Cooling 81