Monday, February 24, 2020

The Environment and Human Health Coursework Example | Topics and Well Written Essays - 1250 words

The Environment and Human Health - Coursework Example This can lower the concentration of oxygen to a level that is immediately dangerous for human health; (2) Frostbite. Solid carbon dioxide is always below -78 oC at regular atmospheric pressure, regardless of the air temperature. Handling this material for more than a second or two without proper protection can cause serious blisters, and other unwanted effects. Carbon dioxide gas released from a steel cylinder, such as a fire extinguisher, causes similar effects; and (3) Kidney damage or coma. This is caused by a disturbance in chemical equilibrium of the carbonate buffer. When carbon dioxide concentrations increase or decrease, causing the equilibrium to be disturbed, a life threatening situation may occur† (Lenntech, 2009, par. 29). b. Environmental Impact of Tire Discard The Tire Conversion Technologies (2008) indicated that the environmental impact of discarded tires range from â€Å"the aesthetic (ugly piles of tires stockpiled on a parcel of land) to the hazardous (poten tial for fire and toxic chemicals from smoke) to public health concerns (carelessly discarded tires are an excellent breeding ground for mosquitoes)† (par. 1). ... However, if recycled, tires are proven to be beneficial to the environment as it has been validated to give at most seven times carbon reduction and therefore reduce greenhouse gas emissions. c. Chinese to Attempt to Control High Air Pollution in Beijing for 2008 Olympics Howard (2008) reported in The Daily Green in his article entitled â€Å"China’s Olympic-Sized Clean Air Plan† that â€Å"Beijing is further cracking down on pollution by yanking cars off the roads, expanding mass transit and staggering work hours† (par. 1). Details from the report indicated that of 3.3 million private car owners in the city, scheduling depending on the last digit of the owners’ plate numbers would be allowed on the road alternately, odd or even. Working hours for employees have been staggered and more public buses, totaling an additional 2,000 would ply the city, in conjunction with â€Å"improved bus routes, extended the hours of operation for mass transit, opened a new subway and light-rail line and banned the dirtiest freight trucks. Also, many of the buildings for the Olympics are being built with green features† (Howard, 2008, par. 4). The report confirms the acknowledgement of the China government and the Olympic promoters for the need to control high air pollution in Beijing and therefore resorted to drastic and immediate methods to curb pollution, hopefully, not only in the short term, but in the long run. 2. a. International and Intranational Water Conflicts A report authored by Shamir, a contribution from UNESCO’s International Hydrological Programme to the World Water Assessment Programme contained relevant information that provides examples of international and intranational water conflicts. One conflict exists between India, Nepal and Bangladesh

Friday, February 7, 2020

Reflective evaluation Essay Example | Topics and Well Written Essays - 500 words

Reflective evaluation - Essay Example There are quite a number of occasions when I wanted to tell more to drive a point across, but the time allotment is not enough to allow me to do that. Another problem that rose from this is knowing what to include or omit in the presentation slides. I had to use other means of presenting data. For this particular report, I used tables extensively to give the results of my literature review and interview. However, pictures, charts and graphs are also commonly used in compressing many messages in a smaller space. However, it is better to have a lot to omit than having less to include. As I look back to how I prepared for and delivered this presentation, I now realize that it is better to come overprepared. It gives me added boost of confidence in the delivery of the report, as well as in answering questions from the members of the audience. Whenever presentations are to be given, research is vital. Acquiring sufficient knowledge is required to be able to discuss the points adequately. However, sufficiency of information does not only depend on quantity, but also on their quality. This means that the information should come from reliable sources, which are experts in the field in question. In this particular presentation, I felt that I have researched many and various journal articles to sufficiently support the points that I want to drive at.