Fill in the blanks with the given words/phrases: In brief Secondly Thirdly causes Firstly As a result leads One of the drawbacks of tourism is its negative effects on the environment of a country or area.________, tourists use a lot of natural resources such as water, energy and soil. This _________ the shortage of local resources. _________ , the environment is polluted because of holidaymakers. The increasing number of vehicles they use during their excursion ________ to traffic jams. _________ , air and noise pollution happen. ___________ , travelling has bad influences on the wildlife in some places. A lot of wild plants and animals lose their habitats when hotels and entertainment zones are built up. _________ , a region or a country, in some cases, has to suffer from adverse influences of travelling.