Synopsis
Liz Bonnin investigates how and why zoos keep animals and looks at whether they need to change to keep up with modern science.
Similar broadcast resources

Animal feed production | Meat: A Threat to Our Planet?
Liz Bonnin explores the impact that animal feed production is having on insect biodiversity.

Amazon deforestation | Meat: A Threat to Our Planet?
Liz Bonnin witnesses the devastation of the Amazon rainforest from the sky.