Reasons For Global Warming Essay Example | Topics and Well Written Essays - 1250 words

Reasons For Global Warming - Essay Example Moreover, this group of thinkers believes that the warming trend is not unusual and is a normal cycle of weather changes which occur naturally. Their claim about the Earth’s climate is clear. They believe that the Earth's climate is not affected by humans' actions, prevention and suspension of any act. It is free of our activities and temperature swings occur naturally. A study in this regard reveals that the Earth has a planetary ‘iris', which consists of tropical cloud cover. This cloud cover spreads out and contracts to control the quantity of heat exhibited from the surface of the Earth. On the contrary, however, it is said by the supporters of global warming that medieval warm period was not researched properly and the research contains flaws. They also argue that there is no validity of the claims that the recent extreme conditions, including heat waves, intense precipitation, massive forest fires and worldwide coral bleaching, in the Earth's environment are the re sult of changing the climate. These are invalid, unrealistic and self-created myths which are not validly proven so far. In addition, they argue that the CO2 emitted by the activities of humans is not comparable to the natural resources that are available to eliminate the threat of the 'non-existing' global warming. The natural resources that the Earth acquires are greater than the Carbon Dioxide emitted hence, none of the human activities can be held liable for the massive increase in CO2 over the course of last few centuries. The cause of the warming temperature has been disclosed by this group as a natural phenomenon. The debate over the solar variability, cosmic rays, recovery from the ice age and so on (Leroux 2006). This group also denies the claim that the warming is caused by greenhouse gases. The fact that they present in this regard is that warming does not follow the trend of greenhouse gases concentration. This group also asserts that the increased warming detected aroun d the world for the past century is the effect of increased urbanization. This

Performance Appraisal Essay Example | Topics and Well Written Essays - 750 words - 1

Performance Appraisal - Essay Example The performance appraisals are used to give feedback to the employee on the performance rating and the need for improvements. This also expresses the need for trainings, promotion, demotion, retention or firing. The performance appraisal is among the critical factors of a manger or a leader to provide employee with the feedback and clarify the job expectations. An effective performance appraisal enables employees to know about themselves and understand the management values. The performance appraisals make use of evaluations as feedback in order to improve the performance of employee and reduce the turnover. It increases motivation and instills a feeling of equity among the employees. The appraisals act as a linkage between the rewards and performance. This enhances performance as employees are told about their performance and related strengths and weaknesses. This makes the employees become proud of whatever they are doing well and enables them focus their efforts on areas that require improvement. In overall, organization will benefit when the performance of the employees improves. Every organization is interested in witnessing their employees advance in the company and get other better and well paying positions. This is normally brought about by performance appraisal. For instance, when an employee is told to improve personal skills to be eligible for the following promotion may act as a driving force to that employee to enable them improve their per formance (Goswami, 2013). The performance appraisals are used by the management in making important decisions by the management. These decisions include promotions, demotions, firing and remunerations among many others. Efficient organizations must have established means through which they can make their decisions. The decisions depend on appraisal data. The appraisals can be considered as efficient tools in documenting the organizational decisions. This