• We have to suffer a lot of floods due to our serious destruction of forests. (destroy)
• She is a famous environmentalist. She tries her best to protect rare animals from extinction. (environment)
• Many organizations have been set up and funds have been raised. (organize)
• The main threat to the survival of these creatures comes from their loss of habitat. (survive)
• The air in the city is heavily polluted with traffic fumes. (pollute)

1 => We have to suffer a lot of floods due to our serious destruction of forests.
2 => She is a famous environmentalist. She tries her best to protect rare animals from extinction.
3 => Many organizations have been set up and funds have been raised.
4 => The main threat to the survival of these creatures comes from their loss of habitat.
5 => The air in the city is heavily polluted with traffic fumes.