Programme answering listeners' questions about planet Earth and our impact upon it
Do second flushes of spring blooms signal changing seasons?
Which plants absorb carbon dioxide from the atmosphere most effectively?
Why are there so few lapwings left in the UK?
Tue 3 Jan 2012 15:00 BBC Radio 4
"Home Planet, the programme that tackles your queries about the world we inhabit and our interaction with it. From astronomy to geology, biology to environmental science. You set the agenda and our panel of scientists and conservationists come up with the answers."
Richard Daniel
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Tom fills Brian in. 