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We are living in exceptional times. Scientists tell us that we have 10 years to change the way we live, avert the depletion of natural resources and the catastrophic evolution of the Earth's climate.
2009 • Environment
Dr Helen Czerski delves into the Horizon archive to chart the transformation of a little-known theory into one of the greatest scientific undertakings in history.
Renowned marine biologist Dr. Sylvia Earle reveals why the dual threats of ocean pollution and overfishing could have a devastating impact on mankind.
2017 • Environment
Mathematicians Dr. Hannah Fry, Prof. Norman Fenton and Prof. David Spiegelhalter reveal the three numbers that tell the story about the past, present and future of the earth's climate.
1/2 • Climate Change by the Numbers • 2016 • Environment
Six months after the explosions at the Fukushima nuclear plant and the release of radiation there, Professor Jim Al-Khalili sets out to discover whether nuclear power is safe. He begins in Japan, where he meets some of the tens of thousands of people who have been evacuated from the exclusion zone. He travels to an abandoned village just outside the zone to witness a nuclear clean-up operation.
Between the blue sky above and the infinite blackness beyond lies a frontier that scientists have only just begun to investigate. In "At the Edge of Space," NOVA takes viewers on a spectacular exploration of the Earth-space boundary that's home to some of nature's most puzzling and alluring phenomena: the shimmering aurora, streaking meteors, and fleeting flashes that shoot upwards from thunderclouds, known as sprites.