1. They are indeed one of " the richest " reservoirs of plant and animal life on earth, but unfortunately they're also the " most threatened ".
2. Unfortunately the ample opportunities for corruption have made the occupation as a public servant one of the most contested jobs in the past year.
3. Unfortunately, the new kid on the block has yet to receive positive reactions from most people.
4. It is another to have totally prejudiced views, which unfortunately is the case with most of them.
5. Some schools were unfortunately located at the most vulnerable locations, and classroom buildings are inherently at greater risk.
6. Unfortunately, you're doing the most important thing in your career at such a young age.
7. Unfortunately, in all such incidents it is the poor who suffer the most.
8. The trend of society unfortunately tends downwards, man's baser instincts and nature come to the fore in most cases.