4/ Having managed water resources irresponsibly, the authorities had to deal with water shortages in the region.

5/ Having read the stories about people who reduced their carbon footprint, we started to change our daily consumption habits.

6/ Having been told about the dangers of chemical fertilisers, the farmers turned to bio-fertilisers.

7/ Having finished all my homework, i watched my favourite film on TV.

           V.

1/ He was really admired for having risked his own life to rescure the little boy.

2/ She was praised for having raised 20,000 dollars for wildlife protection.

3/ I remember having advised you on how to cut down your energy use.

4/ Some scientists are accused of not having reported the effects of climate change.

5/ They were criticised for having acted irresponsibly towards the enviroment.

6/ The factory was fined for having dumped a huge amount of rubbish into the river.

7/ He apologized for not having kept his promised.