26 Results for pollution

We have produced various excretions and wastes as a result of a production activity or consumption activities. ¡¡When there was less quantity of waste, it was fully processed by the natural purification action. But when the excretions became abundant and surpassed the amount that mother nature cou...
Is pollution necessary?In this century, synthetics have made a significant difference in many people'slives. The developments of synthetics have helped people lead a "good" comfortable and convenient life. This has been made possible with the development of: plastic containers, and bottles, medical ...
A glimpse on Cairo's air The path to the implementation of Law 4/1994, known as the Environment Law, is overworked with obstacles, but advancement is being made nonetheless. The need to regulate lead foundries and other polluting industries, cut down vehicle exhaust emissions often has environmen...
Energy One global issue is conserving energy. Energy is one of the primary things that people must have to go through their everyday lives. However, energy has its negative side. People should find a new source of energy since it is such a necessity in our everyday lives. One reason we shoul...
Large amounts of natural gas have recently been found in Appalachia, making the process of drilling for fuel more profitable at a time when gas prices are competitive and worth the price of manpower. The Marcellus Shale Play stretches across an area of 95,000 square miles from southern New York ac...
Physical & Biological Resources The oceans provide modern society with numerous resources. For centuries the ocean has provided humans with things such as food, clothing, shelter materials, and a way of transportation. In today's world more than half of the resources that humans use are deri...
This article talks about how the hydrogen economy will be coming. There are a lot of obstacles that they must surpass to form a hydrogen economy. In the year 2003, President George W. Bush announced a 1.7 billion research program to develop a vehicle that would make the air cleaner and use less oil...
There are many ways to produce electricity but unfortunately not all of them are clean and safe. Luckily here in Canada we have clean and safe alternatives to things like the burning of fossil fuels. We are the largest producer of hydropower in the world. Hydro energy is electricity made using water...
1. Identify current trends, scale and likely future sources of carbon monoxide, sulphur dioxide, nitrogen dioxide, lead, particles and photochemical oxidants..... AGA notes that considerable background material is already available on this issue including the State of the Environment Report and o...
Stacy Jer Sept. 5 ¡®01 Period 6 When you look at our world today, do you see a future of hope or a future of despair? Why is it these days, that whenever you sit down to read the newspaper, watch the news, or listen to the radio, it seems as if most of the ...
Our Energy Supply Have you ever thought about how we get the energy to run the things we take for granite every single day? There are many sources of energy that are used for transportation, heat, light, and the manufacturing of goods of all kinds. The development of science and civilization is clo...
Coal Power Currently America's main source of electric energy is coal, which accounts for 1.97 PW per year or 52% of America's electric energy. We are currently extremely dependent on it for a number of different reasons. Coal is a reliable source of energy. Which is very abundant in th...
We get energy from sunlight, wind, nuclear plants, and damns... However, most of the points that we use come from fossil fuels. There are three primary fossil fuels: coal, oil, and natural gas. These are composed of carbon, hydrogen, nitrogen, oxygen, and sulfur. Carbon is the major element in fossi...
Global warming is an increase in the earth\'s temperature due to fossil fuels, industry, and agricultural processes caused by human, natural, and other gas emissions. This results in an increased emission of greenhouse gases. Short-wave solar radiation sinks into the Earth\'s atmosphere and warms it...
CRUDE OIL Crude oils are unprocessed oils mined straight from the oil source. Crude oils are such a useful starting point for so many different substances because they contain hydrocarbons. Crayons, plastics, heating oil, jet fuel, kerosene, synthetic fibres and tires are all originally made from...
Global warming is an increase in the earth\'s temperature due to fossil fuels, industry, and agricultural processes caused by human, natural, and other gas emissions. This results in an increased emission of greenhouse gases. Short-wave solar radiation sinks into the Earth\'s atmosphere and warms it...
Did the climate of the earth become appreciably warmer in the 20th century? What evidence suggest that this can be linked to human activity? There is widespread fact that the earths temperature has increased 0.3 – 0.6 C in the past 100 years. Some changes in the physical features of the ear...
There are many issues involving the world we live in, one of which is energy. The world uses great amounts of energy each year. As the world is growing the total energy consumption is also increasing rapidly. It is said to rise by "59% from 1999 until 2020, from 382 to 607 quads." This ...
Resources are the things that we can extract from the earth. Industries, which extract the earth's resources, include mining, forestry and oil extraction. Present-day civilisation is based upon a massive utilisation of non-replaceable minerals and fuels such as coal, oil and natural gasses. Oth...
BIOFUEL - TODAY'S NEED In today's world day in and day out we see fleets of cars, buses, two-wheelers and trucks on our streets. Poisonous fumes damaging our lungs, noise pollution deafening our ears and harried commuters fed up with their lot. Is this what mankind has come to? Imagine ...
Propane is a colorless, gaseous alkane (A hydrocarbon containing only single carbon-carbon bonds). The chemical formula for propane is C3H8. It is readily liquefied by compression and cooling. Propane has a melting point of an unbelievable –189.9C and boils at just –42.2C. Propane occurs...
With all the topics circulating the media about the issues in the United States, many go unnoticed by the general public through the excuse of lack of relevance to the individual. The fuel crisis America is currently going through is not one of the ones to be pushed aside so quickly; it affects the ...
With the earth's precious natural resources being used up and the pollution from our great use of fossil fuels, many nations and communities have turned to the use of an alternative energy sources. Among those alternative energy sources is the use of tidal waves and currents to generate electri...
Have you noticed that the summers have been getting a little warmer? Have you noticed that the winters are not as long as they used to be? Or that the winters are not quite as cold? Have you wondered why? It's due to the greenhouse effect. What's the greenhouse effect? The green hou...
California is going through crucial times at the moment due to the power crisis. This does not proceed any further. The government is looking for alternative resources that can be used to produce electricity and a lot these resources can be found right here in the Valley. Our Valley is based on Agri...