Thursday sees a documentary on BBC4 about food science, looking at additives and "made-up food" like quorn.
Monday 27th April
Who Killed the Honey Bee?
On: BBC 4
Time: 20:00 to 21:00
With an affliction dubbed Colony Collapse Disorder wiping out bees worldwide, Martha Kearney explores the terrifying implications of their possible extinction and the loss of their most vital service to nature, pollination, without which global food production would collapse. The threat to keepers, farmers and our food supply is acute and growing, and yet the cause of this 'Marie Celeste syndrome' that causes bees to flee their hives remains a mystery.
Costing the Earth
On: BBC Radio Four
Time: 21:00 to 21:30 (Also Thu 1330)
Obama's Green Dream.
Tom Heap asks whether political and vested interests will shatter President Obama's dream of leading the United States and the world towards a greener future. Obama campaigned for a low-carbon economy and as soon as he came to power he set about laying the foundations for one. He wants to create green jobs in traditional industries like car making - electric cars of course - and construction, making American homes and offices more energy efficient. His biggest challenge will be to wean the country off its dependence on fossil fuels and make 'clean' energy profitable. For that he needs to bring in a system called carbon cap and trade and needs the support of senators and members of congress to do so. However, even members of his own party are reluctant to back what they see as a vote-losing policy and energy companies with investments in coal, gas and oil are lobbying hard against it. Can the President prevail?
Tuesday 28th April
Heavy Water
On: more4
Time: 22:00 to 23:15
On 26 April 1986, reactor four at Chernobyl nuclear power station exploded, sending an enormous radioactive cloud over Northern Ukraine and neighbouring Belarus. The danger was kept a secret from the rest of the world and the nearby population went about their business as usual.
Wednesday 29th April
Rain
On: BBC 2
Time: 23:35 to 00:35
Documentary series about the weather. This programme uncovers the true shape of a raindrop, shows how and why rain falls and tells stories of how we have adapted or succumbed to this elemental force of nature, such as James Glaisher's hot-air balloon ascent in 1862. The Victorians believed that they could master the rain, but today climate change threatens us with rain that is wilder and more unpredictable than ever.
Thursday 30th April
One Planet
On: BBC World Service Radio
Time: 10:30 to 11:00 (Also 1630, 2030, 0130)
The programme that explores the biggest issues in global development and the environment.
British Isles: a Natural History
On: Yesterday
Time: 16:00 to 17:00 (Also Fri 0600, 1100)
Our Future.
Alan concludes his journey and asks what the future might hold for our landscape and its wildlife: global warming, a big freeze or something much more sinister?
Farm to Pharma: The Rise And Rise Of Food Science
On: BBC 4
Time: 21:00 to 22:00 (Also 2330)
Documentary which explores the history of British food science, taking a voyage through over a century of petri-dishes, vitamins and E-numbers. By the 1930s, George Orwell was complaining about the chemical by-products in food, but when war gave scientists a chance to remake the British diet the improvement in the nation's health was extraordinary. We meet the food scientist who pioneered instant soup for Batchelors and discover how Quorn was invented to prevent a global food crisis.
Excerpts taken from DigiGuide - the world's best TV guide available from http://www.getdigiguide.com/?p=1&r=20818
Copyright (c) GipsyMedia Limited.
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