As you open the pantry door, you discover that some of the food you purchased yesterday has already gone off or perished – despite the expiry date being weeks away. Feelings of guilt and anger start to wash over you, and rightly so. Food wastage not only affects you economically, but has a widespread ethical and environmental impact. Notwithstanding your own personal loss, there's around 88 million tonnes of food waste in Europe each year, which has associated costs estimated at €143 billion. Put simply by Bernhard Url, executive director of the European Food Safety Authority: "Europe wastes 30% of food, it is an ethical scandal."

Plastic waste poses a major challenge across both land and sea! Well, last year scientist calculated the total amount of plastics produced since 1950 and the result is 8.3 billion metric ton. Unfortunately, about three-quarters of which has become waste now. Having said that, many startups across the world are fighting plastic pollution. At present, there are two main global problems regarding plastic packaging.