ielts essay

Hi ,there
there is one topic of travelling overseas is decreasing,Give positive and negative views.

my question is that travelling overseas means tourism,mean i have to write about positive and negative views of tourism.

second question if there is a topic regarding describe the positive and negative effect of tourism on environment and people.

in this essay,can i include negative effect of environment like devastatingly natural destruction. if government will build more infrastructure ,then they will be more deforestation , flora and fauna will be endangered seriously

negative effect on people, can i write culture homogenization,mean people accept new style and tradition but they forget their own and precious tradition.

so please reply as soon as possible

Thank you