Category Archives: IPCC

How to improve a climate model: a 24-year journey from observing melt ponds to their inclusion in climate simulations

By: David Schroeder Melt ponds are puddles of water that form on top of sea ice when the snow and ice melts (see Figure). Not all the water drains immediately into the ocean, but it can stay and accumulate on … Continue reading

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How would climate-change science look if it was structured “as if people mattered”?

By Ted Shepherd The scientific understanding of climate change is represented by the Assessment Reports of the Intergovernmental Panel on Climate Change (IPCC), most recently its Sixth Assessment Report. IPCC Working Groups II and III deal respectively with adaptation and … Continue reading

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Climate Change 2021—The Physical Science Basis

By: Jonathan Gregory, Ed Hawkins, Matt Palmer This document is a short summary of key points that are of current relevance to society from the physical science of climate change. It is based on the headline statements of the report … Continue reading

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Does working from home help to reduce climate change?

By: Helen Dacre During a recent conversation about working from home during the COVID-19 pandemic a friend asked me ‘Given that I no longer commute to work in my car every day, will that help to reduce climate change?’  The … Continue reading

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Large and irreversible future decline of the Greenland ice-sheet

By: Jonathan Gregory Sea-level rise is one of the most serious consequences of global warming. By the end of this century, if emissions of greenhouse gases continue to increase (mostly carbon dioxide, from burning oil, natural gas and coal), global … Continue reading

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Projecting climate changes for the Earth System

By Robin Smith With the COP21 UN climate change conference going on in Paris, questions about how the global environment will change in the coming decades and what impact that will have on the people and communities that live in … Continue reading

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Has global warming taken a holiday?

By Richard Allan Observations covering the past few decades have shown a decline in the rate at which the Earth’s surface has been warming (see Figure 1). Yet recent research involving the University of Reading, the Met Office and NASA … Continue reading

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How important are aerosols to understanding climate change?

By Bill Collins Aerosols are fine particles or liquid droplets suspended in the air. They originate from many sources – both natural (desert dust, sea spray) and man-made (power stations, traffic). They generally act to cool the climate (a good … Continue reading

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University contribution to the latest IPCC 5th Assessment report

Media interest in reporting on climate change and the Intergovernmental Panel on Climate Change (IPCC) is escalating prior to the release of the Summary for Policymakers on Friday 27th September. Professor Keith Shine was interviewed on BBC Radio 5 live … Continue reading

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