http://www.21stcenturychallenges.org/challenges/engineering-our-climate/focus/ en d.over@rgs.org Copyright 2009 2009-03-04T13:24:40+00:00 http://www.21stcenturychallenges.org/media-gallery/view-video/audience-questions-9-10/ http://www.21stcenturychallenges.org/media-gallery/view-video/audience-questions-9-10/#When:06:00:28Z 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) 2009-05-14T06:00:28+00:00 http://www.21stcenturychallenges.org/media-gallery/view-video/audience-questions-7-8/ http://www.21stcenturychallenges.org/media-gallery/view-video/audience-questions-7-8/#When:07:00:12Z 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 2009-05-14T07:00:12+00:00 http://www.21stcenturychallenges.org/media-gallery/view-video/audience-q5q6/ http://www.21stcenturychallenges.org/media-gallery/view-video/audience-q5q6/#When:08:00:48Z Is it acceptable to have regional scale geoengineering? Such as in the Arctic? 2009-05-14T08:00:48+00:00 http://www.21stcenturychallenges.org/media-gallery/view-video/audience-questions-3-4/ http://www.21stcenturychallenges.org/media-gallery/view-video/audience-questions-3-4/#When:09:00:34Z 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 2009-05-14T09:00:34+00:00 http://www.21stcenturychallenges.org/media-gallery/view-video/audience-question-2/ http://www.21stcenturychallenges.org/media-gallery/view-video/audience-question-2/#When:10:00:48Z Professor David Keith, could you tell us more details on how your geoengineering experiments with getting CO2 out of the atmosphere? 2009-05-14T10:00:48+00:00 http://www.21stcenturychallenges.org/media-gallery/view-video/audience-question-1/ http://www.21stcenturychallenges.org/media-gallery/view-video/audience-question-1/#When:11:00:01Z Are there misunderstandings with the categorisation of geoengineering proposals? Neil Crumpton - Friends of the Earth   2009-05-14T11:00:01+00:00 http://www.21stcenturychallenges.org/media-gallery/view-video/panel-discussion-on-geoengineering/ http://www.21stcenturychallenges.org/media-gallery/view-video/panel-discussion-on-geoengineering/#When:09:45:51Z Tom Clarke, Science Correspondent for Channel 4 News, chairs a discussion with Prof David Keith and Dr Paul Johnston on issues of geoengineering. 2009-05-18T09:45:51+00:00 http://www.21stcenturychallenges.org/media-gallery/view-video/professor-david-keith/ http://www.21stcenturychallenges.org/media-gallery/view-video/professor-david-keith/#When:10:00:54Z 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. 2009-05-18T10:00:54+00:00 http://www.21stcenturychallenges.org/media-gallery/view-video/dr-paul-johnston-greenpeace/ http://www.21stcenturychallenges.org/media-gallery/view-video/dr-paul-johnston-greenpeace/#When:10:19:10Z Dr Paul Johnston, Greenpeace, discusses the arguments against researching and investing in geoengineering projects. 2009-05-18T10:19:10+00:00