Mass Extinction Essay Example | Topics and Well Written Essays - 1000 words

Mass Extinction - Essay Example I think that this is the possible reason why Douglas Erwin said it is quite difficult to identify which is the real cause of the mass extinction in the past. There are these many factors that contribute; they are all giving different degrees of impact to the environment, which the scientists need to delve into each to know the actual influencing degree. The world population is growing exponentially but the land is so limited. Humans exploit virgin land, like the jungle and mountains. They cut down the jungle and make the mountains flat to make houses and farmland. The equivalence of the whole ecosystem is disturbed. Firstly the flora and fauna in the wild lost their habitat. They cannot even find food that they used to get. As a result, this leads to wildlife extinction. Loss of soil due to loss of plants also caused the river- and seabeds to become shallow. This is obvious with the increase of sea water level. The situation becomes worse when the pole's glacier starts melting due to greenhouse effect! Eventually, the increasingly warming atmosphere triggered the people's interest to study the global warming phenomena. This is how the greenhouse effect situation was discovered. It is estimated that about 15 to 37 per cent of the species will become extinct from now to 2050 if the climate keep on changing (Kirby, 2004). The causes of global warming were identified: excretion of greenhouse gases like carbon dioxide, water vapor and methane, use of aerosol products and depletion of jungle land and ozone layer. Carbon dioxide and methane will trap heat in the atmosphere. They are the by products from the use of fuel energy. Meantime, depletion of jungle land reduces the number of green plants that can convert... The world population is growing exponentially but the land is so limited. Humans exploit the virgin land, like the jungle and mountains. They cut down the jungle and make the mountains flat to make houses and farmland. The equivalence of the whole ecosystem is disturbed. Firstly the flora and fauna in the wild lost their habitat. They cannot even find food that they used to get. As a result, this leads to wildlife extinction. Loss of soil due to loss of plants also caused the river- and seabeds to become shallow. This is obvious with the increase of sea water level. The situation becomes worse when the pole’s glacier starts melting due to greenhouse effect! Eventually, the increasingly warming atmosphere triggered the people’s interest to study the global warming phenomena. This is how the greenhouse effect situation was discovered. It is estimated that about 15 to 37 percent of the species will become extinct from now to 2050 if the climate keeps on changing. The causes of global warming were identified: excretion of greenhouse gases like carbon dioxide, water vapor, and methane, use of aerosol products and depletion of jungle land and the ozone layer. Carbon dioxide and methane will trap heat in the atmosphere. They are the by-products from the use of fuel energy. Meantime, depletion of jungle land reduces the number of green plants that can convert the carbon dioxide gases back to oxygen. The increase of methane gave the similar effect to the environment, methane plays an important role in the previous mass extinction.

Palm oil Essay Example | Topics and Well Written Essays - 500 words

Palm oil - Essay Example The UK is the wealthy nation which dominates the poor nation of Indonesia which has an abundance of cheap labour and land on which palm oil can be grown successfully. Instead of development, the production of palm oil in Indonesia takes place at a cost to the indigenous people and to the environment. The benefits derived from the production of palm oil also accrue mainly to the developed country at the expense of the relatively undeveloped Indonesia where land which should be preserved for the protection of the environment and biodiversity is being burnt in order to supply palm oil cheaply to Tesda’s supermarket chain and other company’s. Instead of development Indonesia is faced with displacement of its people and depletion of its resources. The soot from burning has affected the operations of the airline industry and will therefore have a negative effect on the economic development of the country. The preservation of the environment is important in the development of any country. The burning of the forests will have dire environmental consequences for the people of Indonesia. With the increasing and negative effects of climate change countries around the world are taking the necessary steps to reduce the emission of greenhouse gases in the atmosphere while this is taken place in Indonesia. These events indicate that Tesda has not adopted a model for corporate social responsibility with all the negative events including corruption, lack of dialogue between groups affected by the production of palm oil and poor labour standards employed. These along with the death of persons who speak for their rights are unacceptable. The stakeholders that have legitimate claims on Tesda are the indigenous people of Indonesia whose lives have been negatively affected by plantations in which Tesda has a stake, the people who work on these plantations, suppliers to its processing plant in the Netherlands and