As the two week COP 21 conference in Paris begins, the world is confronted with answering the question of how to avoid the 2 degree Celsius warming threshold that they set for themselves. Now, world leaders such as Barack Obama are referring to this as a 'turning point' for climate change and warming going forward. However, what are the real options for reducing warming, and are they even realistic?

Carbon capture

An option that some are optimistic about is the science of carbon capture. C...

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