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Why is future sea level rise still so uncertain?

Real Climate

Three new papers in the last couple of weeks have each made separate claims about whether sea level rise from the loss of ice in West Antarctica is more or less than you might have thought last month and with more or less certainty. The last major revision (BedMap2) was in 2013 ( Fretwell et al., But there is more.

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Arctic Report Card 2024: How Did the Region Fare? Ask the Caribou

Union of Concerned Scientists

Moreover, changes in the Arctic have a huge impact on weather patterns north of the equator, including polar vortex disturbances, changes to ocean currents, and extreme heat domes. Shrinking Greenland ice sheet and mountain glaciers also contribute to accelerating sea level rise. in Arc2024 ). No doubt about it.

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From Research to Action: The Growing Impact of Attribution Science

Union of Concerned Scientists

Attribution science , which is about understanding the role of climate change versus natural weather patterns and climate variability, can help us better understand the connections between extreme weather and climate change, provide new insight into what specific emissions are driving the worst impacts, and help shape climate solutions.

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AR6 of the best

Real Climate

Here are a few things that mark this report out from previous versions that relate to issues we’ve discussed here before: Extreme events are increasingly connected to climate (duh!) Extremes : Back in 2012, the literature assessed by AR5 connecting changes in extremes to climate change was scant. Figure SPM 8.

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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

I followed with great interest the launch of the sixth assessment report Working Group 1 (The Physical Science Basis) from the Intergovernmental Panel on Climate Change (IPCC) on August 9th. The problems with the SPM are similar those from the previous fifth assessment report which prompted me to write a post in 2013.

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[Act] of all trades, litigable to none: A Critical Examination of Malaysia’s Proposed Climate Change Bill

Law Columbia

Malaysia is at high risk from the effects of climate change. Additionally, sea levels around Malaysia are projected to rise by a maximum of 3 to 10 mm by 2030 and 11 to 21 mm by 2050. Between 1970 and 2013, Peninsular Malaysia, Sabah, and Sarawak experienced surface mean temperature increases of 0.14C0.25C per decade.

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A distraction due to errors, misunderstanding and misguided Norwegian statistics

Real Climate

While temperatures provide a measure of the Earth’s climate, it is even better to use the global sea level , which provides a far more reliable measure. The global sea level acts like the mercury in a thermometer because warmer water expands. Our job is to be thorough and verify questionable results.

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