2. Here you can learn many things about environmental problems, read smart tips about protecting the environment, take part in our competitions, try our environmental quizzes and much more!

3. We all know the world has its problems, particularly where the environment is concerned. But not too many of us know the details, and the stories behind those problems. On our website, many environmental problems, effects and disasters are described.

4. Acid Rain Global Warming WWF Greenpeace The three R’s And much more!

6. There are many forms of acid rain that are seen around the world. In parts of the world where there is wet weather, there is acid rain, acid snow, and acid fog. In parts of the world where there is dry weather, there is acid gas and acid dust. All of the lakes and streams in the world are normally slightly acidic. Heavy rainstorms or melting snow can cause the acidity in lakes and in streams to increase. Acid rain is very harmful to the environment. Acid rain damages everything over a period of time because it makes the living things in the environment die. An example of acid rain.

7. Global warming refers to the rising average temperature of Earth's atmosphere and oceans and its related effects. In the last 100 years, Earth's average surface temperature increased by about 0.8 °C (1.4 °F) with about two thirds of the increase occurring over just the last three decades. Warming of the climate system is unequivocal, and scientists are more than 90% certain most of it is caused by increasing concentrations of greenhouse gases produced by human activities such as deforestation and burning fossil fuel. These findings are recognized by the national science academies of all the major industrialized countries. An example of Global Warming.

9.  safeguarding the natural world  tackling the global threat of climate change  helping people to change the way they live WWF is at the heart of global activities in all these areas. They have teams of highly skilled professionals working with governments, businesses and communities all around the world.

10. The underlying goal of all their work is a green and peaceful world - an earth that is ecologically healthy and able to nurture life in all its diversity.

11.  Replace your single-paned windows with double-paned windows.  Turn off lights and electronic devices when you’re not using them.  Fix water leaks in the bathroom, kitchen, landscaping, etc.  Prevent energy leaks at home.  Lower your home thermostats!  Use a low-flow shower head.  Compost!  Use drip irrigation systems in your garden.  Plant trees in your yard and community.  Use a reel or electric lawn mower.  Use ceiling fans to cool off in the summer.  Use solar energy to dry your clothes!  Rethink transportation.  Use small, efficient devices to cook food.  Use some native plants in the garden.  Get involved locally!  Recycle!

12. 1.What country consumes the most energy in the world?  Russia  China  the United States  Canada 2.What country produces the most energy in the world?  Iraq  Saudi Arabia  the United States  Russia 3.What is the leading source of energy in the United States?  Coal  Oil  Nuclear power  Natural gas 4.Which of the following sources of energy is NOT renewable?  Petroleum  Hydropower  Biomass  Solar power 6. About how long does it take a Styrofoam cup to decompose?  10 years  2 months  400 years  150 years 7. According to the World Health Organization, what is the most polluted city in the world?  Los Angeles, California  Mexico City, Mexico  New Delhi, India  Shanghai, China 8. What is the most common type of debris that litters our oceans?  Bags  Plastic beverage bottles  Cigarettes  Food packaging 5.How much of the world's water is available for human use?  97%  23%  3%  Less than 1%

13. R educe R euse R ecycle

14. Send us your thoughts about what people can do in order to protect the environment and tell us what you do! The best idea will win a fantastic present!

16. 1.The United States 2.The United States 3.Oil 4.Petroleum 5.Less than 1% 6.400 years 7.Mexico City, Mexico 8.Cigarettes