A light-emitting diode (LED) is a semiconductor light source.[6] LEDs are used as indicator lamps in many devices and are increasingly used for other lighting. Appearing as practical electronic components in 1962‚[7] early LEDs emitted low-intensity red light‚ but modern versions are available across the visible‚ ultraviolet‚ and infrared wavelengths‚ with very high brightness. When a light-emitting diode is switched on‚ electrons are able to recombine with holes within the device‚ releasing energy
Premium Light Lighting Incandescent light bulb
POLLUTION Pollution is the introduction of a containment into the environment. It is created to mostly by human actions‚ but can also be a result of natural disasters. Pollution has a detrimental effect on any living organism in an environment‚ making it virtually impossible to sustain life. Pollution harms the Earth’s environment and its inhabitants in many ways. The three main types of pollution are: Land Pollution‚ Air Pollution‚ and Water Pollution. AIR POLLUTION Air Pollution consists
Free Pollution Environmentalism
Ways To Reduce The Effects of Pollution Nowadays‚ pollution has become a major issue that concerns all countries worldwide. Majority of the pollution are results of the selfish behaviour of humans. There are many types of pollutions‚ examples are water pollution and air pollution. Each of this pollution can be dealt with different methods depending on the source of the error. In general‚ both air and water pollution can be reduced by utilizing the modern technology that humans have developed
Premium Air pollution Environmentalism United States Environmental Protection Agency
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy‚ such as noise‚ heat or light. Pollutants‚ the components of pollution‚ can be either foreign substances/energies or naturally occurring contaminants. TYPES OF POLLUTION Water Pollution As the name suggests‚ “Water Pollution” is the type of pollution that involves the contamination of various water bodies. Various aquatic creatures
Free Pollution Water
PROJECT POLLUTION BY DANIEL ANDERSON 12G Contents How can pollution affect a country’s economy and cause disasters within a country and cause health risks 2 Economic effects of a country 2 Disasters of pollution 5 Health Hazards of Pollution 6 Negative impacts of pollution on health 6 Air Pollution 6 Water Pollution 6 Toxic Pollution 7 Noise Pollution 7 Prevention of Pollutions 7 How to create a healthy living environment 8 References 8 How can pollution affect a country’s
Premium Pollution Global warming Air pollution
Impact of Pollution The environment is a part of our daily lives yet most people do not consider the impact that their actions have on the environment. People interact with and depend on different aspects of the environment from the air to water and land. There are relationships between actions that we make and the environment‚ the most obvious one being pollution. The lasting influence we have on our surroundings may not be immediately apparent but future generations will have to live with
Premium Organic farming Environmentalism Pollution
The rate of pollution in our country is getting higher and has reached a dangerous level. Therefore‚ everyone must play a role in safeguarding the environment. Yet‚ before looking up for the ways to overcome this issue‚ we must find out the types of pollutions first. Firstly‚ one of them is air pollution. Nowadays‚ almost every family has at least a car at home. Although the car is convenient for our daily lives‚ the smoke emission from it is harmful to the environment too. The smoke
Free Pollution Oxygen Sewage treatment
Plant. The garbage emitting foul smell‚ the decaying plants and animals also cause air pollution. Hence the doctors advise the patients having lungs trouble to settle in some rural places because the air of villages is pure and free from population. Then comes sound pollution. The harsh sounds of buses‚ its‚ mopeds etc. affect our power of hearing and causes fart trouble. It has been reported that there are two villages named Biraspalli and Devadas Palli near Dum Dum airport m Calcutta where a
Premium Pollution Air pollution Environmentalism
The problem of air pollution in our society is best understood within the context of Sean Lynn-Jones’ and Steven Miller’s book Global Dangers: Changing Dimensions of International Security. (Lynn-Jones and Miller) In this collection of essays‚ it becomes clear that the threat to the environment poses the greatest danger to the international community today. This is precisely why environmental security must now become the most important objective of all nations. Global Dangers reveals that‚ with the
Premium Environmentalism Environment Natural environment
Environmental pollution is the biggest menace to the human race on this planet today. The environment consists of earth‚ water‚ air‚ plants and animals. If we pollute the environment‚ the existence of man and nature will be hampered. Although most of people know that but they still destroy their own life. There a numerous kinds of environment pollution. However‚ I split it to 3 groups: water pollution‚ air pollution and soil pollution. Nowadays‚ the water of rivers and sea all over the worlds is
Free Pollution