8 videos tagged tipping point
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David Wasdell
What are ‘climate feedbacks’?
David Wasdell explains how the future of our climate will be affected by feedback mechanisms that may amplify global warming. Of the 20 feedback mechanisms that have been identified,…
Recorded: 20 February 2007
Hans Joachim Schellnhuber
What will happen in the long term if we do nothing about climate change?
Professor Schellnhuber expresses caution when discussing possible runaway climate change. He does, however, believe that we are at a tipping point where human activity could tip…
Recorded: 11 December 2006
Hans Joachim Schellnhuber
When must greenhouse gas emissions stop rising?
John Schellnhuber believes that worldwide emissions of greenhouse gases must level off and start their decline by the year 2015. Beyond this year the climate could degrade beyond…
Recorded: 11 December 2006
Mike Eckhart
is renewable energy a viable solution? (part 1)
Mike Eckhart describes how the global effort to develop renewable energy began during the oil and gasoline shortages of the 1970s. Since then much progress has been made in inventing,…
Recorded: 13 April 2005
Sir Crispin Tickell
What causes climate change?
In recent decades climate scientists have noted an increasing concentration of greenhouse gases in the atmosphere. These cause global warming and are thought to have been generated…
Recorded: 9 March 2005
Sir Crispin Tickell
What are climate change ‘feedback loops’?
Climate change is a non-linear event, meaning that certain temperatures or weather patterns can trigger abrupt change. Surface temperatures could therefore accelerate or recede…
Recorded: 9 March 2005
Sir Crispin Tickell
How can humanity cope with climate change?
Sir Crispin notes that global warming and other changes in the environment can and must be treated in a more holistic manner. There is an urgent need for everyone to recognize the…
Recorded: 9 March 2005
Elisabet Sahtouris
Should spirituality and science be unified? (part 2)
In this two-part series Dr. Sahtouris talks about reuniting spirituality with science in order to form a new world view – a world view that shows how humanity is still evolving…
Recorded: 1 September 2003
