Tim Kruger runs the Oxford geo-engineering program at the University of Oxford — a multidisciplinary team which assesses the technical, social, environmental and ethical issues associated with geo-engineering. He talks about global warming, greenhouse gases and geo-engineering.

Subscribe on Youtube: http://read.ht/fLZ

Follow on Twitter: https://twitter.com/htTweets

Like on Facebook: https://www.facebook.com/hindustantimes

Watch more videos at: http://www.hindustantimes.com/audio-news-video/latest-news-video/lid812.aspx