Our:
1. planet (вместо should be я поставлю везде троеточие) ... safe to live on
2. country ... powerful and happy to live in
3. air ... unpolluted and clean to breathe
4. rivers and seas ... clean and not dangerous to bathe in
5. food ... healthy to eat
6. forests ... rich in birds and animals
7. people ... healthy and happy
8. water ... clean and safe to drink
Торопилась.. но надеюсь что верно. Делала сама.