Garbage as a source for energy

Sweden is the 10th most clean country in the world but today I don't want to talk about how do they keep their country clean. Everyone in this world makes trash , uses garbage etc ,so logically it's not really possible to have everything clean, so how can we do it?This is what they did in Sweden.They take the garbage (and it's not only from Sweden it's also from other European countries) ,and they "make"energy from it.Newspapers are turned into paper mass, bottles are reused or melted into new items, plastic containers become plastic raw material; food is composted and becomes soil or bio gas through a complex chemical process. Rubbish trucks are often run on recycled electricity or bio gas. Wasted water is purified to the extent of being potable. Special rubbish trucks go around cities and pick up electronics and hazardous waste such as chemicals. Pharmacists accept leftover medicine. Swedes take their larger waste, such as a used TV or broken furniture, to recycling centers on the outskirts of the cities.Some Swedish companies have voluntarily joined in the struggle. For example, H&M has begun accepting used clothing from customers in exchange for rebate coupons in an initiative called Garment Collecting.