Testing satellites on Earth, hedgerow wildlife - Planet Earth Podcast - 12.02.17

This week in the Planet Earth Podcast: Sue Nelson visits RAL Space at the Rutherford Appleton Laboratory in Oxfordshire to find out how scientists check if the scientific equipment they put on satellites will work properly once in space. Later she goes to Buckinghamshire to hear how simple changes to hedgerow management could significantly improve winter habitats and food supplies for wildlife.