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World will miss 1.5C warming limit - top UK expert

A leading British climate scientist has told the BBC he believes the target to limit global warming to 1.5C will be missed.

Professor Sir Bob Watson is currently Emeritus Professor of the UK's Tyndall Centre for Climate Research - having previously worked at the UN, Nasa, UK's Department of Environment and the US White House - and is perhaps one of the foremost climate scientists in the world.

In the interview aired on Thursday he said: "I think most people fear that if we give up on the 1.5 [celsius limit] which I do not believe we will achieve, in fact I'm very pessimistic about achieving even 2C, that if we allow the target to become looser and looser, higher and higher, governments will do even less in the future."

Time-Sensitive

Professor Sir Bob Watson is currently Emeritus Professor of the UK's Tyndall Centre for Climate Research - having previously worked at the UN, Nasa, UK's Department of Environment and the US White House - and is perhaps one of the foremost climate scientists in the world.

The UN climate body, the IPCC, has said keeping temperature rises below 1.5C, rather than 2C, would mean:

  • 10 million fewer people would lose their homes to rising sea levels
  • a 50% reduction in the number of people experiencing water insecurity
  • a reduction in coral reef loss from 99% to 70%
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B2B and B2C

The UN climate body, the IPCC, has said keeping temperature rises below 1.5C, rather than 2C, would mean:

  1. 10 million fewer people would lose their homes to rising sea levels
  2. a 50% reduction in the number of people experiencing water insecurity
  3. a reduction in coral reef loss from 99% to 70%

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"The big issue is we need to reduce greenhouse gases now to even be on the pathway to be close to 1.5C or 2C.

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