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 of means of transportation that carry travelers and tourists cause pollution. Moreover, some people do things on a holiday. They would never think of doing at home. For example, many travelers use a lot of water and electricity when they stay in hotel. 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 travelers to recycle items, so they end up leaving large amount of waste behind. That’s why it is important for people to travel wisely and respect the places they visit.

1. Are travel and tourism very important to millions of people over the world?

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?