What environmental, cultural and economical impact has tourism made in Europe and the USA?

Question

Please list some things. Even one good answer is helpful!

Answer 1

Environmental impact - both, positive and negative.

Negative is because tourists damages environment, nature etc. a bit but it often is compensated by positive effects.

Positive is that then tourists spend money they finance environment-care, nature support, environment-friendly investments etc.

Cultural impact is in general positive because people exchange knowledge, customs, to attract tourists local people often learn their traditions to show for the tourists.

Economical is positive for sure - tourists generate income.