L3 And 4 Flashcards
What is Environmental Pollution?
An undesirable change in physical, chemical, or biological characteristics of any component of the environment.
What are the forms of Environmental Pollution?
- Air
- Water
- Land
- Noise
- Thermal
- Nuclear
- Marine
Why is water considered second only to air in importance for life?
Water is a precious commodity necessary for all forms of life.
What historical civilizations were established along rivers?
- Yellow and Yangtze in China
- Nile in Egypt
- Indus-Ganga in India
Complete the saying: ‘He who controls water, controls the ______.’
nation
Who said, ‘Let not a single drop of water that falls on the land go into the sea without serving the people’?
Parakrama-Bahu I, King of Sri Lanka
According to Andrew Liveris, what is water referred to as?
‘Water is the oil of the 21st century.’
What are the basic needs for clean water?
- Drinking
- Cooking
- Washing
- Bathing
- Irrigation
- Sanitation
- Industry
- Recreation
What does the water footprint measure?
The amount of water used to produce each of the goods and services we use.
How much of Earth’s surface is covered by water?
About 70%
What is a significant problem with water distribution?
Uneven distribution, with some areas having too much water and others too little.
What percentage of the world’s population may be under water stress conditions by 2025?
Two-thirds
What is the leading cause of childhood death in developing countries related to water?
Diarrhea
What is the definition of sustainable water use?
Optimizing the benefits of present water use without diminishing the ability of future generations to meet their water needs.
What contributes 30% of Singapore’s potable water requirements?
NEWater
