Explore Our World

Season 1 Episode 855676

Our Future At Risk

Aired Unknown Feb 25, 2009 on BBC
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Episode Summary

Our Future At Risk
Is the Earth really changing or is it just part of the planet's natural rhythms? Man's interaction with the environment has lead to problems such as famine and drought. More recently, rising Co2 levels are affecting the thermohaline circulation which may be causing more frequent killer storms and wild weather. As the planet faces overpopulation and food shortages, we may be overlooking our ability to develop new and better ways of feeding ourselves. But the genetic modification programs that would make this possible have a deadly side effect: mutating viruses that are increasingly resistant to medication and could pose a threat to our world. Once we've tampered with nature do we really know what will happen next?moreless

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