There were 2 programmes on last night which would be of instant value to geography teachers.
The first was presented by David Attenborough, and asked the question: "How many people can live on Planet Earth ?"
The second was presented by Iain Stewart and was called "HOT PLANET" It looked at the impact of the projected warming of the planet, and explored scenarios of a rise of 1, 2 and 3 degrees Celsius.
Catch them both on BBC iPLAYER while you can
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