Biology
biology
FOLIO BIOLOGY
POLLUTION
NIK ‘AINAA SYAKIRAH BT NIK GHAZALI
5 IBNU SINA
INTRODUCTION
Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to theecosystem i.e. physical systems or living organisms. It can also be define as any undesirable changes in physical, chemical or biological characteristics of the natural environment, brought about when harmful substances or energy released by human activities. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring; when naturally occurring, they are considered contaminants when they exceed natural levels. Pollution is often classed as point source or nonpoint source pollution.
Pollution became a popular issue after World War II, due to radioactive fallout from atomic warfare and testing. Then a non-nuclear event, The Great Smog of 1952 in London, killed at least 4000 people.This prompted some of the first major modern environmental legislation, The Clean Air Act of 1956.
Pollution began to draw major public attention in the United States between the mid-1950s and early 1970s, when Congress passed the Noise Control Act, the Clean Air Act, the Clean Water Act and the National Environmental Policy Act.
Growing evidence of local and global pollution and an increasingly informed public over time have given rise to environmentalism and the environmental movement,which generally seek to limit human impact on the environment.
There are four major types of pollution happening in Malaysia ; air, water , thermal and noise pollution.
CONTENTS
No. | Contents | Page | 1 | Introductions | | 2 | Contents | | 3 | Air Pollution | | 4 | Water Pollution | | 5 | Thermal Pollution | | 6 | Noise Pollution | | 7 | Stragies to solve problems related to pollution | |
Air Pollution
Air
FOLIO BIOLOGY
POLLUTION
NIK ‘AINAA SYAKIRAH BT NIK GHAZALI
5 IBNU SINA
INTRODUCTION
Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to theecosystem i.e. physical systems or living organisms. It can also be define as any undesirable changes in physical, chemical or biological characteristics of the natural environment, brought about when harmful substances or energy released by human activities. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring; when naturally occurring, they are considered contaminants when they exceed natural levels. Pollution is often classed as point source or nonpoint source pollution.
Pollution became a popular issue after World War II, due to radioactive fallout from atomic warfare and testing. Then a non-nuclear event, The Great Smog of 1952 in London, killed at least 4000 people.This prompted some of the first major modern environmental legislation, The Clean Air Act of 1956.
Pollution began to draw major public attention in the United States between the mid-1950s and early 1970s, when Congress passed the Noise Control Act, the Clean Air Act, the Clean Water Act and the National Environmental Policy Act.
Growing evidence of local and global pollution and an increasingly informed public over time have given rise to environmentalism and the environmental movement,which generally seek to limit human impact on the environment.
There are four major types of pollution happening in Malaysia ; air, water , thermal and noise pollution.
CONTENTS
No. | Contents | Page | 1 | Introductions | | 2 | Contents | | 3 | Air Pollution | | 4 | Water Pollution | | 5 | Thermal Pollution | | 6 | Noise Pollution | | 7 | Stragies to solve problems related to pollution | |
Air Pollution
Air