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Guide to climate change science


September 2013 - Our guide to climate change science looks at some of the science behind past changes and future projections.

The science of climate change will be a focus for global attention over the next year as the Intergovernmental Panel on Climate Change (IPCC) begins publication of its Fifth Assessment Report (AR5).  
AR5 will provide a clear scientific view on the current state of knowledge on climate change and its potential impacts. It is the first comprehensive update on the science since the Fourth Assessment Report (AR4) was published in 2007.
As an authoritative document, AR5's contents will form the evidence basis for decision makers in government, business and organisations around the world over the coming years. The Met Office Hadley Centre, as one of the world's leading climate research centres, has been a key contributor to the IPCC process and AR5. This contribution draws on the breadth of the UK's national climate capability and our partnerships with research establishments across the UK, and around the world. Several of our scientists are lead authors on the report, and extensive use is made of our science, models and datasets.
Over the coming months our advice can help you understand and interpret the key findings in the report documents as they are published between September 2013 and November 2014. The first volume will focus on climate science, while later volumes will provide updates on climate impacts and mitigation issues. In the run-up to the start of that process, this guide looks at some of the elements of climate change science.

Download our guide to climate change science

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