Joanna Haigh (born 7 May 1954) is a British physicist and academic. The climate system takes decades to respond to changes in carbon emissions so decisions made now will affect future generations - for better or worse. "Imperial climate experts respond to IPCC's Fifth Assessment Report", Imperial College London (November 3, 2014) Without concerted and swift international action to reduce emissions of greenhouse gases, the 1.5°C threshold is likely to be passed by 2040 and the report (Special Report on Global Warming of 1.5 °C) sets out very starkly the costs of inaction. "Changes needed by middle of century, say climate experts", Imperial College London, written by Simon Levey (October 9, 2018) We were aware of it back in the late 1970s. There was a lot of talk about the greenhouse effect. On her awareness of climate change "The Carbon Brief Interview: Prof Joanna Haigh" (April 29, 2019) I think it’s going to be very, very, very difficult to get to 1.5C. On meeting the Paris warming limits "The Carbon Brief Interview: Prof Joanna Haigh" (April 29, 2019) Solar geoengineering, I’m afraid I think it’s a fool’s paradise, and I’ve been saying the same thing for many years. On negative emissions and solar geoengineering "The Carbon Brief Interview: Prof Joanna Haigh" (April 29, 2019) I think it is possible to get the carbon dioxide emissions down and to get the temperature increase slowed down. It just requires everybody to work together to do it. "Climate champion Jo Haigh retires after 35 years at Imperial", Imperial College London, written by Hayley Dunning (May 3, 2019) She appears regularly on TV, radio and in print media, and as a result, gets a lot of emails – many from people who do not believe that humans are causing climate change. She tries to reply to them all unless they are directly offensive, but admits she has about a “two percent success rate” in positive responses to her explaining the science. "Climate champion Jo Haigh retires after 35 years at Imperial", Imperial College London, written by Hayley Dunning (May 3, 2019) Wikipedia has an article about: Joanna Haigh
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