"Let's save our planet": HTML5 Crossword

Across

3. ampoule (4)
5. Espèce en voie d'extinction (10,7)
8. émissions de carbone (6,9)
9. rise in temperature of the earth's atmosphere, caused by an increase of gases (10,6)
11. mode veille (7,4)
15. tri sélectif (9,7)
16. menacer (8)

Down

1. to add dirty or harmful substances to land, air, or water (7)
2. climat (7)
4. réchauffement climatique (6,7)
6. An animal or plant species in danger of extinction (10,7)
7. économiser (4)
10. gaspiller (5)
12. the natural world in which people, animals and plants live (11)
13. Substances that make air, soil and water dirty (9)
14. use again (7)