阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Many people are keen on travelling abroad. (fortunate), tourism has not been good news for environment. Transporting millions of tourists to their holiday (destination) can pollute the air and the sea. Some dramatic landscapes (damage) due to the newly-built hotels since the 1990s. To make matters (bad), fresh water supplies are also affected by human activity. As far as I am concerned, tourism makes a lot of negative impact the environment. Our job is to protect and restore the natural environment.