Odpowiedź :
- The recovery of energy from waste materials is often included in this concept. Recyclable materials include many kinds of glass, paper, cardboard, metal, plastic, tires, textiles, batteries, and electronics
- The main greenhouse gases are: Water vapor. Carbon dioxide. Methane. Ozone. Nitrous oxide. Chlorofluorocarbons.
- landfills produce carbon dioxide and water vapor, and trace amounts of oxygen, nitrogen, hydrogen, and non methane organic compounds.
- Trees help clean the air we breathe, filter the water we drink, and provide habitat to over 80% of the world's terrestrial biodiversity. Forests provide jobs to over 1.6 billion people, absorb harmful carbon from the atmosphere, and are key ingredients in 25% of all medicines.