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Alien Invaders: Charlotte Smith hears the killer shrimp has arrived in the Norfolk Broads. The Environment Agency explains how this inch-long predator has spread from its native territory near the Black Sea, and could now present severe problems for the Broads' delicate ecosystem.

The biggest challenge facing farmers in the next few years is water - whether too much, or too little. That's the view of the Royal Agricultural Society of England. RASE Chief Executive Denis Chamberlain tells Farming Today how farmers in England are changing how they work the land to cope with the drought.

And Caz Graham tries her hand at coppicing - the traditional way of managing woodlands to create healthy habitats for wildlife and to provide wood.

Presenter: Charlotte Smith Producer: Melvin Rickarby.