Nitrates in rivers | Paul Whitehouse: Our Troubled Rivers
Paul finds out how nitrates end up in our rivers, using the River Wye as an example.Tweet
Plant-based foods and fertilisers | Horizon
Find out why soy gets a bad reputation and also a new algae-based fertiliser could be around the corner that is less impactful on the environment.
Baby Alligators in Atchafalaya Swamp | Earth's Great Rivers
Baby alligators - so small that they could easily become a meal for some here in the largest swamp in the USA. But they are closely guarded, by their fiercely territorial mother…