Ll in: release, turn down, wildlife, throw away, reduce, adopt, amount, reusable, endangered species, congest. 1) Try

to reuse things as much as possible so as to … waste. 2) Washing machines use a large … of water. 3) Unfortunately, there are still many factories which … toxic gases into the air. 4) Public transport and cars create a lot of traffic on the roads and … city centres. 5) Instead of wrapping food in silver paper it’s better to use a … box. 6) When you … an animal you help the zoo care for it. 7) Don’t … those glass bottles, they can be recycled. 8) My local zoo runs a conservation programme for most of their … . 9) I like to … the heating at night. It helps me to sleep better. 10) We should all try to protect the … habitats in the area where we live.