2. 1. Each year, the human discharge Earth environment : 20 billion tons CO2 20 billion tons CO2 1,5 million tons Arsenic 900 tons Cobalt 1.53 million tons SiO2 1.53 million tons SiO2 1 million tons Nickel 700 million tons dust

3. 2. Each day, water pollution causes approximately 14,000 deaths worldwide. Main factor is: By eating, drinking dirty water.

4. 3. Forecast to 2050, the earth's temperature will increase 1.5 to 4.5 °C.

5. 4. Vietnam has 2 cities in the list 6 most polluted cities in the world. 123456 BEIJING SHANGHAI NEW DELHI DHAKAR HA NOI HO CHI MINH

6. 5. If temperatures continue to rise, Vietnam will lose 17% of agricultural production

7. 6. 70% of discharging gas in the environment is from the vehicles.

8. 7. In Hanoi, the total amount of waste water up to 300000-400000 m 3 per day.

9. 8. 35% of users use pesticide without reading the label, 94% of users use pesticide without follow the instructions on the package

10. We take action to protect the environment by daily doing Put garbage in the right places. Use less plastic bags. Save paper, book. Save water. Turn off light when you go out. Use local goods to save shipping cost.

11. TOP POLLUTION AVE EARTH

12. References GLOBAL ENVIRONMENTAL SUMMARY OF THE UNITED NATIONS ENVIRONMENT PROGRAMME (UNEP) -2008 ENVIRONMENTAL STUDIES OF YALE UNIVERSITY(USA) -2006 REPORT ABOUT CLIMATE CHANGE THE WORLD BANK (WB)-2007 LABORATORY ANALYSIS CENTER HCM CITY (VIETNAM) KENH14.VN KHOAHOC.COM.VN