File Name: causes and effects of environmental pollution .zip
One of our era's greatest scourges is air pollution, on account not only of its impact on climate change but also its impact on public and individual health due to increasing morbidity and mortality. There are many pollutants that are major factors in disease in humans. Among them, Particulate Matter PM , particles of variable but very small diameter, penetrate the respiratory system via inhalation, causing respiratory and cardiovascular diseases, reproductive and central nervous system dysfunctions, and cancer. Despite the fact that ozone in the stratosphere plays a protective role against ultraviolet irradiation, it is harmful when in high concentration at ground level, also affecting the respiratory and cardiovascular system. Furthermore, nitrogen oxide, sulfur dioxide, Volatile Organic Compounds VOCs , dioxins, and polycyclic aromatic hydrocarbons PAHs are all considered air pollutants that are harmful to humans. Carbon monoxide can even provoke direct poisoning when breathed in at high levels.
Jump to navigation. British poet W. This widespread problem of water pollution is jeopardizing our health. Unsafe water kills more people each year than war and all other forms of violence combined. Without action, the challenges will only increase by , when global demand for freshwater is expected to be one-third greater than it is now. Sip a glass of cool, clear water as you read this, and you may think water pollution is a problem. But while most Americans have access to safe drinking water , potentially harmful contaminants—from arsenic to copper to lead—have been found in the tap water of every single state in the nation.
Pollution touches all parts of the planet. It is affecting our health through the food we eat, the water we drink and the air we breathe. Approximately 19 million premature deaths are estimated to occur annually as a result of the way we use natural resources to support global production and consumption and which impact the environment. Approximately 19 million premature deaths are estimated to occur annually as a result of the way we use natural resources and impact the environment to support global production and consumption. How does pollution fit in that picture? Pollution can take many forms, ranging from organic compounds and other chemical substances to different types of energy.
We tend to look skywards when talking about pollution, but this problem is not confined to our skies. The soil in which our fruit and vegetables grow is also suffering its consequences, the effects of which getting to us directly, for instance, through the aforementioned foodstuffs. The time has come to look after what lies under our feet! Soil pollution is mostly caused by chemical substances produced by human activity. The soil is the skin of the earth, a mantle full of scars, thousand-year-old wrinkles and more recent injuries caused both by man and nature itself. Some of these ulcers are incurable — such as the extinction of species —, whereas others jeopardise health and food security, all of which threaten the well-being of the world's 3.
The constant pollution of the air has very negative effects on nature and on human health. Those long-term and medium-term effects have become problems that are difficult to solve. In this article, we are listing the main 10 negative effects that air pollution is causing worldwide:. Probably global warming is one of the most worrying effects for scientists and environmentalists. Global warming is a direct consequence of the greenhouse effect, which is produced by the high emission of CO 2 and methane into the atmosphere. Most of these emissions are produced by the industry, so this can be remedied by social responsibility and action by companies and factories. Climate Change is another consequence of global warming.
When many of us think of pollution, images of smoggy cities and litter-infested oceans come to mind. While littering and gasoline-fueled cars are a major contributor to pollution, there are many other influences that are important to be aware of. Essentially, pollution occurs when substances are introduced to the environment that have harmful effects, damaging the quality of land, water, and air. The cause is the accumulation of solid and liquid waste materials that contaminate groundwater and soil. These waste materials are often referred to as municipal solid waste MSW , which includes both hazardous and non-hazardous waste.
Environmental pollution has existed for centuries but only started to be significant following the industrial revolution in the 19th century. The elements involved are not produced by nature, and the destroying process can vary from a few days to thousands of years that is, for instance, the case for radioactive pollutants. In other words, pollution takes place when nature does not know how to decompose an element that has been brought to it in an unnatural way. Pollution must be taken seriously, as it has a negative effect on natural elements that are an absolute need for life to exist on earth, such as water and air. Indeed, without it, or if they were present in different quantities, animals — including humans — and plants could not survive.
Theory of Environmental Pollution is one among them. In this article, we have thoroughly discussed the types, causes and impacts of different pollutions affecting humankind.
Environmental pollution is reaching worrying proportions worldwide. Urbanization and industrialization along with economic development have led to increase in energy consumption and waste discharges. The global environmental pollution, including greenhouse gas emissions and acid deposition, as well as water pollution and waste management is considered as international public health problems, which should be investigated from multiple perspectives including social, economic, legislation, and environmental engineering systems, as well as lifestyle habits helping health promotion and strengthening environmental systems to resist contamination [ 1 — 3 ].
Включился звук, и послышался фоновой шум. - Установлена аудиосвязь. Через пять секунд она станет двусторонней.
The causes of environmental pollution are not limited to industrialization, urbanization, population growth, exploration, and mining, but also transboundary.
Стратмор посмотрел на нее неодобрительно. - Если Дэвид не добьется успеха, а ключ Танкадо попадет в чьи-то руки… Коммандеру не нужно было договаривать. Сьюзан и так его поняла. Пока файл Цифровой крепости не подменен модифицированной версией, копия ключа, находившаяся у Танкадо, продолжает представлять собой огромную опасность. - Когда мы внесем эту поправку, - добавил Стратмор, - мне будет все равно, сколько ключей гуляет по свету: чем их больше, тем забавнее. - Он жестом попросил ее возобновить поиск.
В течение нескольких секунд ни он, ни она не произнесли ни слова. Наконец Стратмор откинулся на спинку стула, и Сьюзан поняла, что он постепенно успокаивается.
Корпоративные программисты во всем мире озаботились решением проблемы безопасности электронной почты. В конце концов оно было найдено - так родился доступный широкой публике способ кодирования. Его концепция была столь же проста, сколь и гениальна.