This featured film investigates the emerging threats posed by plastic pollution to life on Earth. The hyper-convenience of our modern way of living produces staggering volumes of plastic waste daily. Scientists now know that this waste breaks down into ever tinier pieces, spreading right across the globe and posing direct health risks, including through bioamplification of toxic additives moving up the food chain. We explore the drastic changes it will take to deliver a sustainable future for our planet.

Cooking shows turned the humble garlic bulb into something that's essential to cuisines and into a multi-billion-dollar crop. Every year, humans consume nearly 50 billion pounds of garlic, and most of it comes from one country: China. But a lawsuit raises troubling questions about suppliers.

After months of hard work Clarkson's farm arrives at a make or break moment; harvest time. 'It's always stunning on the farm, actually. Whatever the day, there's always something that's absolutely beautiful. The thing is, the show's now over, which is sad. But thank you very much for being so patient with me.'

Jeremy Clarkson decides to get a flock of sheep. He thinks It's a genius business plan: Instead every year mowing the 300 acres without cropping, the sheep will do, keeping everything nice and tidy and fertilizing the soil. Moreover, he can sell their babies for profit. But he doesn't count with the added complications these high-maintenance animals will bring.

As the drought drags on with the sun continuing to blaze down from a cloudless sky and harvest time gets closer, Jeremy Clarkson and his motley crew have a fearsome list of jobs to complete.

Across the world, rising demands for food, water and materials have pushed resources to the limit. Many parts of the world have major challenges over fresh water. A lot of soils have a lot of residual pesticides and herbicides. At the same time waste is piling higher. All this demands a new wave of innovation. The challenge is to make more of the things we need without the environmental cost.