Trees Make Oxygen, People Use Oxygen

Trees Make Oxygen, People Use Oxygen Trees alone can produce enough oxygen to support all human oxygen needs in North America. Trees are important and benefit the environment. A mature leafy tree produces as much oxygen in a season as 10 people inhale in a year. This quote was by an Arbor Day Foundation report.  For a number of reasons, including tree availability and other photosynthetic plants, human consumption of oxygen produced just by trees can vary dramatically. There is also some question as to how many mature leafy trees are in the United States, but a rough estimate using United States Forest Service (FIA) data would be around 1.5 billion that have reached maturity (assuming they are 20 years old or older). There are approximately three mature trees for every person in the United States... more than enough. Other Tree Oxygen Estimations Here are some other quotes from different sources which may be more or less conservative than  my report: A single mature tree can absorb carbon dioxide at a rate of 48 lbs./year and release enough oxygen back into the atmosphere to support 2 human beings. - ​ McAliney, Mike. Arguments for Land Conservation: Documentation and Information Sources for Land Resources Protection, Trust for Public Land, Sacramento, CA, December, 1993.On average, one tree produces nearly 260 pounds of oxygen each year. Two mature trees can provide enough oxygen for a family of four. - Canadas environmental agency, Environment Canada.Mean net annual oxygen production (after accounting for decomposition) per hectare of trees (100% tree canopy) offsets oxygen consumption of 19 people per year (eight people per acre of tree cover), but ranges from nine people per hectare of canopy cover (four people/ac cover) in Minneapolis, Minnesota, to 28 people/ha cover (12 people/ac cover) in Calgary, Alberta. - U.S. Forest Service and International Society of Arboriculture joint publication. Considerations Several of these sources suggest that it all depends on the tree species and their local populations. Other things that will increase oxygen availability to humans is a trees health and where you live when computing tree oxygen availability per person.

Re-Engineering Technique of Lightco Company Essay - 14

Re-Engineering Technique of Lightco Company - Essay Example As mentioned in the case, the company was divided into six departments. Each department was working separately. Engineers had occupied the executive level, while they did not have adequate experience or sufficient ability to manage people. It was one of the factors that affected the Job performance and the â€Å"Leading ability† based on the job performance equation: â€Å"Job performance = Abilities X Motivation X Org. Support†. II. Stressful, the relation between stress and lack of communication states that â€Å"poor employee communication causes employee stress†. The employees were unaware and worried about the (BPI) attitude towards them; therefore, the employees’ morale went down once again and this time it was at an all-time low. The stress affected employees; hence, both the pilot projects had adverse effects on the employees. For instance, by the centralization of the Customer Services processes, 150 employees were worried about their careers. According to Health Magazine, Customer Services was ranked as the eighth most stressful job. Nonetheless, the pilot project increased the employees’ stress and made their situation even more complicated. Also, it seemed that the Re-engineering Technique was the major contributor to high levels of stress.   III. Inequity, The probability of inequity was a common belief among Lights employees. Not only the employees but even White had promised to commit to employment equity. According to the Equity Theory, an employee will usually compare himself/ herself with others. The prejudice is clear in Lights situation, as Coral emphasized, "I received a one-day training session while the manager was getting a four-day training session". She was dissatisfied and believed that it was unfair. She thought that she would be given more attention during the implementation of the culture change technique but this was not what happened.