Mr. President‚ As your advisor on energy policy‚ I believe it is important to inform you on the current status of global warming and of the energy crisis. I would also like to suggest changes in the current energy policy. Global warming can no longer be given a blind eye. Long-term observations in the last century or so reveal that the U.S. climate is changing rapidly. According to the National Assessment Synthesis Team’s U.S. Global Change Research Program in 2000‚ the average national temperature
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Pollution and its Negative Effects Pollution is the degradation of natural environment by external substances introduced directly or indirectly. Human health‚ ecosystem quality and aquatic and terrestrial biodiversity may be affected and altered permanently by pollution. Pollution occurs when ecosystems can not get rid of substances introduced into the environment. The critical threshold of its ability to naturally eliminate substances is compromised and the balance of the ecosystem is broken.
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the European Union’s decision old incandescent bulbs are leaving shops forever starting from September first. I will remind you that from 2009 august 31 European union launched a law forbidding old light bulbs of 15‚ 25‚ 40‚ 60‚ 75 and 100 Wats from being sold at all in the European union countries‚ and now they are leaving our shop once and for all. It’s hard to believe that Edison’s light bulb is useless now due it’s big energy waste considering the new bulbs implemented in our daily lives.
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cost through energy savings. 3. Change Your Light Bulbs One of the least expensive and most effective changes you can make in your home is replacing your light bulbs. According to Energy Star‚ one of its qualified compact fluorescent light bulbs (CFL)‚ which cost just a few dollars‚ “will save about $30 over its lifetime and pay for itself in about 6 months. It uses 75 percent less energy and lasts about 10 times longer than an incandescent bulb.” Although some people are concerned because CFLs
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technology is to introduce for the green environment. The new technology deals with the global warming and pollution control. We are going to see about the new technologies. New Technologies: 1. A liter Of light 2. Go green A liter of light: Electricity is a worldwide know source of made light. Electricity is a form of energy that is produced by the movement of electrons. Electricity is the one of the major causes for global warming .We make most of electricity
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K.J College of Engineering and Management Research Energy Efficiency Group Name:- “ The Efficiencers” Suraj S. Nair Junaid Sayed Anuradha Jadhav Rupesh Bhosale Ekta Thorat Avinash Palve Agenda • • • • • • • • • Our Opinion on Energy Efficiency Efficient Energy Conversion Why to be energy efficient? Technical Change is the Key Overall Capacity of India 5 best ways to save energy at home Bachat Lamp Yojna Efficiency of some common devices Advantages & Disadvantages Our Opinion Energy efficiency
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foam. B. Hand Tools 1. Flat head screwdriver- a screwdriver designed to turn slotted screws 2. Flashlight- A flashlight (torch in British English) is a hand-held portable electric-powered light source. Usually the light source is a small incandescent light
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cannot see well without a certain amount of light. Because it is actually not objects we see but the light that is reflected off the objects‚ manipulating the light on objects influences the way we perceive them on-screen. The purposeful control of light and shadows is called lighting. Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect. Lighting includes the use of both artificial lights like lamps and light fixtures‚ as well as natural illumination
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Thomas Edison: Inventor or Patent Thief? Most inventions are created from a multitude of ideas and a number of men‚ and one man simply cannot be credited for the inventions such as the phonograph‚ the kinetoscope‚ or the light bulb. Unfortunately‚ it is usually the corrupt businessman who exploits such creations and claims them as his own who receives the lion’s share. Thomas Alva Edison was an ideal example of such a person. Edison hardly played any role in the actual production of anything revolutionary
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played a key role in inventing the light bulb. Lewis Latimer born in Chelsea‚ Massachusetts on September 4‚ 1848. He died in Flushing‚ Queens‚ New York‚ on December 11‚ 1928. Latimer was born to slave parents‚ George and Rebecca Latimer. In 1864 at the age of sixteen Latimer enlisted in the Union Navy‚ received an honorable discharge and went back to Boston. 1873 was the year Lewis Latimer got married to Mary Wilson in November. Mary
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