The Climate Change issue page 23 November 2020
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Why haven’t we fixed climate change yet? 23 November 2020
A reflection on what has happened with ‘Climate Change’ the most important issue facing humanity. Why haven’t we fixed it yet? And how optimistic am I now.
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Met Office: What is climate change?
The Met Office has a very good explanation of what climate change is. This includes evidence from UK and global sources; as well as causes and impacts, and statistics on extreme events.
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IPCC Special Report 15 – Global warming of 1.5degC 16 October 2018
Prompted by calls from the Paris climate summit, the IPCC commissioned this report to look at the challenge of limiting climate change to 1.5 degC compared with 2 degC. The consequences for the world of just that half-a-degree difference are stark. And it is a real call to arms for the global race to zero carbon emissions.
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IPCC – Fifth assessment report (AR5) 1 October 2013
The IPCC fifth assessment report (AR5) was released on the 30 September 2013. There have been improvements in the science since the last report, with 6 years of more data to analyse and more powerful climate models. It is the same story of global warming. Notably: there has been an increase in confidence that human activities are the principal cause; air temperatures a rising more slowly; but sea levels are rising faster than in the previous report.
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An inconvenient truth 1 January 2010
I would strongly advise you to watch the documentary film “An inconvenient truth” to get a good understanding of the issue. Whether you know a lot about climate change or you are not sure what it is all about, this film is outstanding. And I can see why Al Gore has been given a Nobel Peace Prize for it. The web address is www.climatecrisis.net: buy it or borrow it from a library – and pass it around your friends.
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Copenhagen DiagnosisThe Copenhagen Diagnosis is a report, compiled by the University of New South Wales, to update policy makers in time for the December 2009 – Copenhagen climate summit (COP15). This report shows how quickly the science is moving in our understanding of climate change. Unfortunately it finds evidence that things are even worse than predicted in AR4. Our emissions of greenhouse gases continue to rise (In 2008 they were 40% higher than 1990 levels) and measurements of ice melt and sea level rise are faster than expected (80% above past IPCC projections).
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IPCC – Fourth Assessment Report (AR4)
The core group of people that are looking into the climate change problem are the Intergovernmental Panel on Climate Change (IPCC). You can see their latest findings at the IPCC website. Their Fourth Assessment Report (AR4) was published in 2007. This is the consensus of all of the world’s leading climate scientists. Its findings are quite worrying, especially how much change has accelerated more than they predicted in the previous report. However, they do make clear that we can make a difference (i.e. mitigate the problem) if we act now. There is a lot of information on their website, you will probably want to start by reading the Summary for Policymakers documents in AR4, starting with “The Physical Science Basis”.
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