Articles

An Interview with a Solar Energy Expert

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An interview between a student (in the form of a YRE reporter) and a solar energy expert.



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A new way of being Environmental friendly

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This article speaks about the idea of why a solar water heater is beneficial to the environment in terms of the reduced carbon footprint.



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Wastewater

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Any amount of water which has been used by human beings and then discarded is known as wastewater. It includes liquid wastes originating from domestic, commercial enterprises, industry and agriculture. These wastes contain a very wide range of contaminating agents in various concentrations. It is the waste from towns and villages made up by mixing used water with contamination arising from different sources. Sewage is usually contaminated with human discharges but also it includes waste products disposed off to the sewers, coming from industrial and commercial liquid waste products. Such wastes reach the sewers through pipes, channels and similar structure. Wastewater or sewage originates from a large number of sources but these can be broadly divided into five categories namely domestic, commercial, industrial, agricultural and natural.



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Water

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Water, or a compound known as H20, is a tasteless and odourless liquid at room temperature. It freezes at temperature below 0°C and becomes a gas at areas of high temperatures or by boiling. It covers about 70% of the earth’s surface and it is vital for all known forms of life; human flora and fauna. Water is absolutely essential to the human body’s survival. A person can live for about a month without food, but only about a week without water. While the daily recommended amount of water is eight cups per day, not all of this water must be consumed in the liquid form. Nearly every food or drink item provides some water to the body. Water naturally moisturizes skin and ensures proper cellular formation underneath layers of skin to give it a healthy, glowing appearance. Water also helps in the digestion process and prevents constipation.



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Lessons learnt

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In Malta fossil fuels are used to generate most of our electrical power. The power station of Marsa will soon be closed down as it is an old plant. Presently an extension is being built to the Delimara Power Station. This will be running on heavy fuel oil. However the student is questioning this decision for at school he has learnt that natural gas, even though a fossil fuel, has the least negative impact on the environment.



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Is the Solar Water Heater as efficient as they say?

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Some students interviewed 8 households which have installed a solar water heater over the past years – some even owning one for a good 10 years. The article discusses the overall idea of why the solar water heater is a good investment to the Maltese households by the people out in the street.



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The Eco-friendly house

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Students discuss the features of the eco-friendly house and give suggestions of how in Malta we can save energy in our households for sustainable energy use therein.



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Stop Talking . . . Start Acting

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78 students managed to reduce their electricity, water and gas bills by approximately 5%. They managed to do this by following simple procedures that they all agreed about. This means that they managed to pollute the environment 5% less than they usually do. They would like to promote their initiative with all the readers of this article



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Mgarr an Eco-Friendly Village

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Mgarr is a very eco-friendly village built in the middle of a valley surrounded by cultivated lands. In Mgarr we find a lot of farms that are powered by green energy. This article will describe the types of renewable energy which is found in farms in Mgarr.



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Air Pollution … Meet the Expert!

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The debate on air pollution in Malta has been going on for some time now on talk shows, newspapers, etc… Everyone is giving his own opinion on the topic. But what are the facts? To find out, we interviewed Professor Alfred J. Vella, an expert from the University of Malta.



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