Air pollution, dwarf elephants and water footprints.
27 March 2012
Presented byRichard Hollingham,Sue Nelson.
This week in the Planet Earth Podcast, Richard Hollingham hears about new air-quality monitoring that could help mitigate the effects of bad-air days; the effect of climate change on Mediterranean dwarf elephants; and exactly how many litres of water it took to make his morning coffee.
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