The runways impacting rivers: people living in villages near the East Midlands Airport are concerned local water courses are being contaminated by de-iced aircraft.

Thousands of native oysters are being reintroduced into the Solent more than 30 years after stocks there declined.

This week we'll be looking at the business of beef. Edward Hawkins from Somerset is striving to improve his farm's carbon footprint, working to improve the grass, soils and the efficiency of his farm.

Presented by Charlotte Smith and produced by Beatrice Fenton.