Tourism can bring many changes to the environment, and sometimes these changes are not good. When people travel, they leave a ____ because they often fly by planes or drive cars, which means they ____ a lot of fuel. This high ____ of fuel can ____ the planet. Tourists also sometimes cause ____ to beautiful places. They often drop ____ around, which harms plants and animals. In many tourist areas, ____ happens because people cut down trees to build hotels and roads. This leads to more ____, which are dangerous to both people and animals. Some tourists are not careful, and their actions can hurt ____ and ____. To protect nature, we can try to be more ____ by using less electricity and water when traveling. It's important to ____ and ____ things like bottles and bags so there is less ____ in the environment. We should all try to recycle whenever we can to keep nature safe.

Global problems - B1+

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