Travel and tourism are very important to millions of people over the world. In every country you can find people that work in travel and tourism. Some countries need the money from tourism to help their people survive. It is necessary for these places that travel and tourism continue to expand and bring money to their regions. However, travel and tourism have negative aspects. Planes, buses, boats and other means of transportation that carry travellers and tourists cause pollution. Moreover, some people do things on a holiday they would never think of doing at home. For example, many travellers use lot of water and electricity when they stay in hotels. They forget to turn off the lights or even leave televisions and air conditioning units on when they leave the room. On top of that, it is often difficult or impossible for travellers to recycle items, so they end up leaving large amounts of waste behind. That's why it is important for people to travel wisely and respect the places they visit. There are ways you can travel and be environmentally friendly. Here are some tips to help you: 1. Don't throw rubbish on streets, beaches or in the countryside. 2. Don't use too much water or electricity. 3. Taste the local and national dishes of the country. 4. Buy local products or souvenirs. 5. Don't buy any products made from endangered species; sea turtle shells or bags made from reptiles or other animals. 1. Why is tourism important to some countries? -> 2. How does tourism affect the environment? -> 3. What do many people use a lot when staying in hotels? -> 4. Why do some tourists end up leaving large amounts of waste behind? -> 5 What shouldn 't you do to be environmentally friendly? Mention two ideas.