Le soleil rayonne constamment de son énergie aimante dans le cosmos, et de nos jours, les progrès technologiques nous permettent d'utiliser son énergie pour faire fonctionner un large éventail de gadgets pratiques.

Today we’ll examine the problem of global waste and learn how to live a zero-waste lifestyle. Everyone sees we have a problem with plastic, and everyone knows we need to solve it. And it’s urgent. Everyone knows that if we don’t do something about this, plastic will suffocate our oceans, will cause ever-worse health problems for human beings.We need to do something about this. We cannot keep giving poison to the Earth because it will stay in the soil forever and keep building up generation after generation. We should do what we can to minimize harm to the environment because that’s our duty. We should do that, we should be kind.