Match the texts to their headings.

Варианты ответов и условие задания

1. The purpose of ecological tourism is to educate the traveler, provide funds for conservation and promote respect for different cultures and human rights. The participants of ecotourism want the environment to stay relatively untouched by human intervention, so that coming generations can experience it fully. That is why ecotourism appeals to ecologically and socially conscious individuals, who don't mind volunteering.
2. To preserve and respect
3. Individuals often throw out goods without realizing that they could be dangerous to the environment. No matter where people put these materials, there is always a chance that they could find their way into the ground, and eventually into our bodies. Special research is necessary to provide data on the effects of every chemical as well as to learn how combinations of these chemicals affect human health.
4. Hazardous Waste
5. Global warming is called the greenhouse effect because the gases that are gathering above the earth make the planet comparable to a greenhouse. By trapping heat, the green house effect is warming the planet and threatening the environment. Current fears stem largely from the fact that global warming is occurring at such a rapid pace. Models are predicting that over the next century, the global temperature will rise by several degrees.
6. Quick change
7. Acid rain moves easily, affecting locations far beyond those that let out the pollution. As a result, this global pollution issue causes great debates between countries that fight over polluting each other’s environments. The problem is that acid rain, one of the most important environmental problems of all, cannot be seen. Some scientists think that human production is primarily responsible, while others cite natural causes as well.
8. Invisible threat
9. Unlike some environmental issues, rainforest depletion has fortunately received significant public and media attention. According to some estimates, 50 million acres of rainforest are cut down every year. Every year, Brazil chops down an area of forest the size of the state of Nebraska. In Indonesia, Zaire, Papua-New Guinea, Malaysia, Burma, the Philippines, Peru, Colombia, Bolivia, and Venezuela, rain forests that were once great have been lost.
10. Global destruction