Engineering our climate : Media Gallery

Professor David Keith

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Prof David Keith, one of the world's leading thinkers on issues of geoengineering, discusses the role that geoengineering could play in tackling climate change.

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Dr Paul Johnston - Greenpeace

Dr Paul Johnston, Greenpeace, discusses the arguments against researching and investing in geoengineering projects.

Panel Discussion lead by Tom Clarke

Tom Clarke, Science Correspondent for Channel 4 News, chairs a discussion with Prof David Keith and Dr Paul Johnston on issues of geoengineering.

Audience Question 1

Are there misunderstandings with the categorisation of geoengineering proposals?

Neil Crumpton - Friends of the Earth

 

Audience Question 2

Professor David Keith, could you tell us more details on how your geoengineering experiments with getting CO2 out of the atmosphere?

Richard Monkhouse - Air Fuel Synthesis

Audience Questions 3 & 4

What are the alternatives to geoengineering?
Catherine Brahic - New Scientist

Isn't there a danger of very rapid change in temperatures if geoengineering is used then shut down?
Peter Irvine - Studying Geoengineering at Bristol University

Audience Questions 5 & 6

Is it acceptable to have regional scale geoengineering? Such as in the Arctic?
John Nissen

Do you agree that it is very difficult to work out what the impacts of geoengineering would be?
Prof Alan Thorpe - Chief Executive for the Natural Environment Research Council (NERC)

Audience Questions 7 & 8

Have the volcanic eruptions over the last 200 years given us an idea of what would happen if we engineered the atmosphere in a similar way?
John Gorman - Engineer

What are your views on bio-char?
Action for Global Climate Community employee

Audience Questions 9 & 10

Is the idea of geoengineering going to appear easier than taking the tough decisions associated with mitigation?
Dr Rita Gardner, director of the Royal Geographical Society (with IBG)

Do you agree that we need to carry out research to allow there to be an informed debate on the future use of geoengineering techniques?
Dr Tim Fox, Institute of Mechanical Engineers (IMechE)