Bài giảng Tiếng Anh Lớp 10 - Unit 9: Preserving the Environment - Lesson 8: Looking back project

Nội dung text: Bài giảng Tiếng Anh Lớp 10 - Unit 9: Preserving the Environment - Lesson 8: Looking back project

1. Desinged by group 3 : Bui Vi Cam Nguyen Thi Phuong Le Thu Hang Pham Hong Ha
2. Water pollution • What does Water pollution means ? 1 • Facts of Water pollution • Causes and effects of Water 2 pollution 3 • How to prevent Water pollution
3. What does water pollution means?
4. Water pollution facts • Up to 90 % of wastewater in developing countries flows untreated into rivers, lakes and highly productive coastal zones, threatening health, food security and access to safe drinking and bathing water • In developing countries, 70% of industrial wastes are dumped untreated into waters where they pollute the usable water supply • Only 1% of the earth´s surface is covered with freshwaters but they are habitat for over 10% of all animals and over 35% of all vertebratessystems each declined by 32%
5. Water pollution facts
6. Causes and effects of water pollution 1. Causes of Water Pollution:
7. Causes and effects of Water pollution 2. Effects of Water pollution a) Death of aquatic (water) animals
8. Causes and effects of Water pollution 2. Effects of Water pollution b) Diseases