Have you ever wondered how you might contribute to solving the ecological problems of today? Actually it's much easier than you could imagine - just try to be a bit more careful with the litter you throw away and with the food you consume, and the situation may change dramatically. And while the litter part is kinda easy to deal with, the food issue still requires us to learn a lot. And here's a first lesson - you can easily learn how to make a truly delicious pizza with absolutely zero waste!