Wasting energy .... affects our natural world. 

office services

swarm

Why is that light...?

Hole in the ozone ... above Antarctica suddenly expands. 

Time running out for oil  and  other fossil ...

....projects successfully stop decline  in panda  numbers. 

The following sentence is correct:The government should save cars from the city centre. 

The following sentence  is correct: To fight the climate change, we can prevent the amount of electricity we use. 

We  ought  to  ...  money  for charities  that run conservation projects.