viernes, 6 de marzo de 2009
domingo, 1 de marzo de 2009
The Golden Compass Review
The story take place in a parellel universe where a person's soul resides outside the body in an animal-like form called a "daemon",Lyra Belacqua, tells tales of the "Gobblers", whom she and her friends believe are responsible for children's disappearance. Visiting the college is Lyra's uncle, Asriel., after Lyra saves Asriel from an assassination attempt by a Magisterial representative is when she is thrown into a perilous adventure because after that she overhears a conversation of an extraordinary microscopic particle, Dust. This particle is said to unite different worlds, and is feared by many who want to destroy it forever inmediatly the college funds his expedition to the far north to investigate the Dust substance Asriel believes it originates in a parallel universe and enters a person's body via their daemon. Fearing the effects of Dust, the Magisterium has been experimenting on children to discover a way to inoculate others against it.
As Lyra is flung into the middle of this horrible struggle, she meets wondrous creatures both big and small, and villains who are not what they seem. Gobblers, that kidnap children, will turn out in the most unexpected places and a magical compass of gold that will answer any question if one is skilled enough to read it. Lyra is not a young girl living among scholars her world may seem diverse, from physical embodiments of souls that take the shape of an animal, but similar with people around you to become friends and enemies.
The cast is excelent, Nicole Kidman tries to charm and wheedle the compass from Lyra. Her army of childcatchers the Gobblers kidnap children and ship them to the Arctic for no sensible reason. Lyra is bestfriended by a motley collection of well-known hams, including Sam Elliot as a Texas cowboy and Eva Green as a friendly witch. The show is stolen by a fierce, violent and preposterously camp polar bear who roars to Lyra's defence at every opportunity an enormous scrap at the end, involving witches and warlocks.
lunes, 16 de febrero de 2009
domingo, 15 de febrero de 2009
viernes, 13 de febrero de 2009
WaTer pOllUtiOn
- Water pollution
- Air pollution
- Land contamination
But we only are going to see Water Pollution.Why, because i choose that!! oK.
How does water pollution occurr?
Water pollution ocurrs when a lot of chemicals, sewage and fertilizers are dropped and if it is not treated before being discharged into waterways, serious pollution is the result. Water pollution also occurs when rain water run off from urban and industrial areas and from agricultural land and mining operations makes its way back to receiving waters (river, lake or ocean) and into the ground.
Water pollution has many sources. The most polluting of them are the city sewage and industrial waste discharged into the rivers, agricultural run-off, or the water from the fields that drains into rivers, is another major water pollutant as it contains fertilizers and pesticides.
Types and causes of water pollution:
- Microbiological.- Microorganisms, like bacteria, viruses and protozoa can cause swimmers to get sick. Fish and shellfish can become contaminated and people who eat them can become ill. Some serious diseases like polio and cholera are waterborne.
- Chemical.- Metals and solvents even chemicals which are formed from the breakdown of natural wastes are poisonous to fish and other aquatic life. Pesticides used in agriculture insecticides for controlling insects and herbicides for controlling weeds are another type of toxic chemical, detergents and oils float and spoil the appearance of a water body, as well as being toxic; and many chemical pollutants have unpleasant odors.
- Oxygen-depleting Substances.- Many wastes are biodegradable, that is, they can be broken down and used as food by microorganisms like bacteria. Too much biodegradable material, though, can cause the serious problem of oxygen depletion in receiving waters, oxygen is not very soluble in water.
- Nutrients.-Phosphorus and nitrogen are necessary for plant growth, and are plentiful in untreated wastwater. Added to lakes and streams, they cause nuisance growth of aquatic weeds, as well as "blooms" of algae, which are microscopic plants. This can cause several problems. Weeds can make a lake unsuitable for swimming and boating. Algae and weeds die and become biodegrable material, which can cause the problems mentioned above (and below).
- Suspended matter.-Some pollutants are dissolved in wastewater, meaning that the individual molecules or ions of the substance are mixed directly in between the molecules of water.Toxic materials can also accumulate in the sediment and affect the organisms which live there and can build up in fish that feed on them, and so be passed up the food chain, causing problems all along the way . Also, some of the particulate matter may be grease or be coated with grease, which is lighter than water, and float to the top, creating an aesthetic nuisance.
- Oil pollution.-Is a growing problem,particularly devestating to coastal wildlife. Small quantities of oil spread rapidly across long distances to form deadly oil slicks. Oil and water do not mix, the oil floats on the water and then washes up on broad expanses of shoreline. Attempts to chemically treat or sink the oil may further disrupt marine and beach ecosystems.
Effects of water pollution
The effects of water pollution are not only devastating to people but also to animals, fish, and birds. Polluted water is unsuitable for drinking, recreation, agriculture, and industry. It diminishes the aesthetic quality of lakes and rivers. More seriously, contaminated water destroys aquatic life and reduces its reproductive ability. Eventually, it is a hazard to human health. Nobody can escape the effects of water pollution.
How do we prevent water pollution?
To keep our used water from spoiling our water resources, we have to remove the pollutants before the water gets back into the environment. In urban areas in most developed countries, the wastewater from homes, businesses and factories is collected by a system of underground pipes sewers which carry it to one or more central treatment facilites. Most of these are located near bodies of water into which the treated wastewater is discharged.
Industries located in areas where they are not connected to a sewer can discharge directly into a waterway, but will need a permit, and will probably have to have their own treatment plants. Even industries which are connected to sewers may have to pretreat their wastewaters before discharging them into the sewers, because they may contain materials which will harm the sewers or the treatment plants-- or may be a danger to the people who work in maintaining the sewer.
Conclusion
Well, today, many people dump their garbage into streams, lakes, rivers, and seas, thus making water bodies the final resting place of cans, bottles, plastics, and other household products. I think that we have to change our habits because the water is a natural resource very important and if we follow the same way till now, one day maybe our sons woke up and they won´t have water to drink.
We have to improve the education of the water and care it. The solution maybe start at home teaching our children how to be envioronmentaly-friendly. Teaching that when they clean their teeth they must turn the tap only when they need water and don´t leave the tap running, teaching the correct place to garbage and that they mustn´t drop litter, teaching how to recycle and if we teach them they are going to tech another kids and we are going to have water for a long time.