BBCNEWS BBC News at One June 4, 2024 13:20:00
Litres of manure a day. so, all the cows in the uk produce more than 50 billion litres a year. that�*s enough to fill wembley stadium 12 times over. properly applied, it�*s a highly valuable fertiliser, called slurry. this is the river nadder in wiltshire. there should be some mayfly in there. oh, yes. yeah, look at that. david is a volunteer, taking samples of the smallest creatures to monitor the health of the river. how do you feel looking down at this tray and the life in it, as opposed to what you used to sample? it's a real tragedy. the freshwater shrimp, which even three or four yea...