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Before the Flood is a full-length National Geographic documentary hosted by Leonardo di Caprio that looks at the impact of climate change on the planet, both now and the possible ‘nightmare scenarios’ of the future.

Before the Flood, directed by Fisher Stevens, captures a three-year personal journey alongside Academy Award-winning actor and U.N. Messenger of Peace Leonardo DiCaprio as he interviews individuals from every facet of society in both developing and developed nations who provide unique, impassioned and pragmatic views on what must be done today and in the future to prevent catastrophic disruption of life on our planet.

I know public opinion on this topic is all over the spectrum, from complete denial of any climate change at all, through having questions the cause of the warming, to full acceptance of a human-caused disaster unfolding. However, I think the section in the documentary talking to astronaut Dr. Piers Sellers (who is incidentally, terminally-ill with pancreatic cancer, but still working for the future of the planet) gets down to the bare bones of things: the facts of the current situation.

A lot of people now get confused about the issue. Facts are crystal clear:

  • The ice is melting.
  • The Earth is warming.
  • The sea level is rising.

Those are facts. Rather than feeling “oh my god, it’s hopeless”, say “okay, this is the problem – let’s be realistic, let’s find a way out of it. And there are ways out of it.”

Even if, beyond these facts, you feel that this is “just part of a natural cycle”, is a large-scale move to renewables not still the far better option, for a range of reasons ranging from air quality to resource management?