Season 1

1. Local Food

Stefan visits an organic farm in Devon to uncover how ordering events, patterns and measuring can help work out what's good for the environment.

2017-05-01 • 12 min

2. Recycling

Stefan visits a vast recycling plant to explore how 2-D and 3-D shapes are used to sort and reuse rubbish, and visits a school that uses recycled objects in many different ways.

2018-05-07 • 10 min

3. Saving Energy

Stefan vists a brand new hospital in London where he learns about measuring and controlling temperature and visits a school that uses data collection to run an energy saving campaign.

2016-11-01 • 10 min

4. Rainwater Harvesting

Stefan visit a huge hi-tech greenhouse in Kent to learn how much rain can be collected from a roof using ideas of conservation of volume and calculating area.

2016-11-07 • 10 min

5. Reducing Car Use

Stefan explores alternatives to car use by pedaling a rickshaw across Bristol and constructs simple equations to calculate the carbon cost of a new cycle way.

2017-11-27 • 10 min

6. Reducing Food Waste

In this episode targeted at the Primary maths curriculum Stefan visits a unique grocery in Manchester and learns how to reduce food waste by turning facts and figures into fractions and percentages.

2017-11-27 • 10 min

7. Wood Fuel

In this episode, Stefan heads into the woods of Sussex to explore sustainable energy and meets a group of students who use algebra to compare different types of energy.

2017-12-04 • 10 min

8. Lamb vs Snail

2017-12-11 • 9 min

9. Biodiversity

2017-09-18 • 10 min