Biology Essay Example | Topics and Well Written Essays - 500 words - 8

Biology - Essay Example t is taking place however, is that the overabundance of harmful gases which are a byproduct of fossil fuels, are causing a latticing effect to take place in the ozone layer. The earth’s ozone layer is necessary in order to filter out the sun’s excessive and destructive ultra violet rays. As the ozone layer becomes more and more compromised, the areas of the globe governed by cold temperatures (such as the arctic) are literally rising in temperature causing the melting of polar ice caps. As these ice caps melt and merge into the ocean, warm water oceanic areas are being cooled down to unnaturally low temperatures. This results in a drastic rise in natural disasters such as floods, hurricanes and tornadoes. On a short term level, the animals that inhabit the arctic are finding their environment less and less suitable. Fish are dying due to the drastic oceanic temperature changes while animals like penguins and polar bears are finding less and less available fish. When discussing global warming, the topic of precautionary principle becomes extremely relevant as well. The precautionary principle is essentially a moral principle with political ramifications, which allows for necessary action in the face of possible danger to public health or the environment even without scientific confirmation or agreed substantiation of the threat from the scientific community. In other words, global warming is certainly a global issue and an obvious threat, regardless of the fact that many with conservative view points, argue its validity. Because of this, it is in the world’s best interest to act in a manner which is airing on the side of precaution, in the best interest of pandemic survival. Normal proof policies would indicate that proof rooted in scientific fact is necessary but without exiting the confines of science. The precautionary principle allows for a lack of scientific proof and more of a suspicion with some confirmation based on observati on or

Benefites and drawbacks of the internet Essay Example | Topics and Well Written Essays - 750 words

Benefites and drawbacks of the internet - Essay Example Internet is just like an ocean of knowledge for all the people. But the problem is that this ocean consists of good and evils. Only the matured persons will be able to select and segregate good things from internet whereas immature people always fell in to this ocean as victims of the bad things. This paper briefly analyses the advantages and disadvantages of internet. â€Å"Internet can provide explicit sex and violence related materials which can harm the development of modern generation. Exhibitions of genitals, the use or sale of weapons, illegal drug sale, illegal gambling, alcohol consumption, explicit violence against people or animals including hate crimes, tobacco use etc are some of the major disadvantages of using internet. One of the major reasons for juvenile offenses is the influence of internet upon children. Segregation of good and evils is difficult for kids because of the growth of sex hormones at the adolescent period. It is easy for the juveniles to watch movies filled with violence and sexual activities using internet websites like YouTube. Internet is a paradise for gamblers and antisocial elements. Credit card forgery, phishing like internet scams are increasing day by day and even intelligent adults fall victims of such cheaters. It is easy for such tricksters to cheat the kids, if the parents fail to put an eye on their child’s activities in internet. Another major disadvantage of internet is the threat of viruses. â€Å"Over 50% of all companies report being hit by a virus each year. Over 20% of all computers are currently infected with spyware† (Computer Internet Security). In short, many companies are facing severe problems in keeping their data safe in their computers because of the virus threat from internet. Internet addiction may sometimes reduce the thinking ability of a child. Children will use internet for everything and the readily available information may result in seldom usage of their brains. The growth of mental