Water conservation essay is the paper dedicated to the urgent problem of the contemporary world about the necessity and possible ways of water protection. The importance of the essay is explained by the increase of the amount of consumed water due to the growth of population, household activity and infrastructure, and climate changes. In this light, the strategies and activities used to protect water environment and save freshwater acquire the core emphasis in the water conservation essay.
Water is the most valuable resource on the Earth and the essential component of the ecosystem because all living beings need it to support their living process. The development of modern industry, agriculture, and technology leads to the world catastrophe, which results in the pollution of water resources as well as their increased consumption. The goals to preserve water resources are determined by the range of necessities. First of all, it is an obligation of the humanity to save water resources for the future generations. Besides, it helps to reduce the level of used energy because water management consumes a huge amount of electricity. Finally, water is a habitat for the different wildlife representatives. Therefore, the world community tries to prevent water resources from their complete disappearing.
The first step to protect water is for people to become more economical. If they control how they use water at least while washing dishes or brushing their teeth, they can save huge amounts of water. There are different water-saving technologies, such as low-flow shower heads and toilets, raw water flushing, automatic faucet, and many other smart devices, which were invented specifically for saving water. Universal metering is considered to be a useful way to reduce the amount of water wasting because it raises people’s understanding and responsibility. Besides, it helps to detect water leakage. In order to reduce the usage of water in agriculture, a pan evaporation is used. The useful feature of this device is that it determines the amount of water needed for irrigation. There are also crop correction factors for the delivery of water, such as flood irrigation, overhead irrigation, and drip irrigation.
Apart from water disappearing, the problem of water pollution takes place in the modern world nowadays. Big water areas become insufficient for using because the level of their pollution is unacceptably high. It makes water resources impossible for people to consume, and fishes and plants to live in. To prevent pollution, large plants and factories have to control their emissions and assume measures to provide them with the appropriate equipment, which helps to reduce the emissions.
Consequently, the problem of water pollution and conservation takes a significant place among other environmental issues due to its severity and negative consequences for the mankind and planet in general. There are different ways to prevent water pollution and preserve it by means of wise using of water resources as well as the invention of special technologies. Water conservation is an important mission for the global community to deal with to keep the planet safe for living.
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More than a dozen states have adopted ambitious goals to cut back on energy use. My home state, Maryland, has one of the most aggressive plans.
This spring, Gov. Martin O'Malley signed a law that calls for a 15 percent reduction in electric use, per capita, over the next seven years. If successful, Maryland will reduce greenhouse gas emissions and achieve a cleaner environment. These efforts also will reduce the state's need to build new power stations and transmission lines. While no one will be rewarded for making that 15 percent reduction, or punished for failing to meet it, it is an important effort.
To reach the goal, local utilities are being asked to come up with conservation plans. Public education plans will also be initiated to encourage the state's 5.6 million residents to cut down on electricity use in their homes.
I asked an energy-efficiency expert to come to my 100-year-old clapboard house in the Washington, D.C., suburbs and show me what I can do to cut back on my electricity use. Jennifer Thorne Amann from the American Council for an Energy Efficient Economy cheerfully took up the challenge. Here is what she found on a walk through my house:
Insulation And Cracks
A lot of energy goes out of the cracks around doors and windows and through poorly insulated walls and ceilings. Thorne Amann suggested that I use a stick of incense or a candle to look for wasteful drafts by following the whiff of smoke. She told me that for less than $20 I could buy sealants to stop those drafts and save on heating and cooling.
She also said that for $250 to $500 I could hire a contractor to attach a gizmo called a "blower door" to my front door. This device sucks air from the house and helps identify the big leaks.
Lights consume about 10 percent of the electricity in a typical home. I replaced a lot of my incandescent bulbs with compact fluorescents (CFLs). These energy-efficient bulbs use one-fourth the amount of electricity that incandescent bulbs use. But I also have about 10 fixtures that are on dimmers — and standard CFLs do not work there. Dimmable CFLs are $17 apiece at my local hardware store. These light fixtures are not used all that much in my house, so I may not recoup the cost of those bulbs. Thorne Amann said prices should come down, because a new federal law will eventually phase out incandescent bulbs. I'll wait.
My refrigerator is 11 years old. It seems like a good candidate for replacement, because refrigerators built after 2001 are in general 30 percent more efficient than older models. However, we ran the numbers and found that my old fridge was actually pretty good. I would save a bit in energy costs, but not enough to make up for the purchase price of a new fridge.
The old freezer in my basement was a different story. If I traded it in for a new model, I would save $100 a year in electric bills and reduce my household electricity use by 6 percent. To see these savings, however, I would have to spend $450 for a new freezer — a painful move in the short run but worth it in the long run.
Electronics often consume up to a quarter of a home's electricity. In particular, appliances such as televisions and cable boxes are always drawing energy. Since I do not have a television or cable box, I avoid these are expenses. However, upon visiting a neighbor's house, I found that an ordinary TV draws around 60 watts, even if it is turned off most of the time.
Also drawing "phantom power" is anything with a charger that stays plugged in – from cell phones to laptops. So Thorne Amann suggested that I unplug those "bricks" when they are not actually doing work. It is even worthwhile for me to unplug my electric toothbrush stand, which draws two watts of electricity. That may not sound like much, but it is more energy than the lights in my bathroom use.
Heating And Cooling
Heating and air conditioning units are typically the biggest home energy users. My system failed last fall. When I bought a new one, I spent a few extra thousand dollars to get the most efficient model on the market. That probably was not a sensible investment from the standpoint of strict dollars and cents, but I did it anyway to reduce my family's "carbon footprint." Thorne Amann said even with a new system, I could save energy by making sure the ducts were taped up tightly (not with standard "duct tape" but with specialized metallic sealing tape). I might also consider insulating my ducts to save energy.
My electric water heater turned out to be the bogeyman in my house. It consumes a shocking 35 percent of my home's electricity. (Thorne Amann figured out its consumption by researching my model's specifications, which is not easy for most people to figure out. This is one reason why it may be worthwhile to use the services of an expert.) I could buy a marginally more efficient electric heater, or I could save a lot of electricity — and carbon emissions — if I switched to natural gas. Thorne Amann told me I could save by switching to low-flow shower heads and washing my clothes in cold water.
Thorne Amann said my family and I could also change some everyday behaviors around the house to reduce electricity consumption. For example, we could hang our laundry out to dry instead of using the electric dryer. I could set our thermostat higher in the summer and lower in the winter. And I could remind the kids to turn off lights and computers when they are not using them.
The Bottom Line
I can make a difference with simple steps, such as installing low-flow shower heads and compact fluorescent light bulbs. But if I want to get to the Maryland goal of a 15 percent reduction, I will have to invest a few hundred dollars in a new freezer. I can go further, and even cut my electricity bill in half, by replacing my water heater. In four to six years, those investments will probably pay for themselves. The power bills will also remain low after that.
Tips for Reducing Your Home Energy Use
Here are a few specific ways you can drive down your home energy use, reducing both your monthly electricity bills and your environmental impact.
Unplug Cords: Unplug anything with a power "brick" (the box on the power cord) if you are not using it. This includes cords like cell phone chargers and laptop chargers. Bricks consume power even when your gizmo is not plugged into it. Televisions and similar devices also draw power when off, so unplug those if you do not use them often. Large televisions can consume as much electricity as a refrigerator.
Change Your Bulbs: Compact fluorescent light bulbs provide quick and easy savings. Over the past few years, the light quality has improved, but you may need to try a few brands before finding the one you like best.
Measure Your Use: Buy or borrow a watt meter. Using this inexpensive device, which can be purchased for as little as $20, is an easy way to figure out how much electricity your plug-in appliances are consuming. If you find that an appliance is hogging too much energy, it might be worthwhile to invest in a more energy-efficient model.
Look For The 'Energy Star' Logo: Shop for home appliances with the Energy Star logo, which means the product has met standards set by the Environmental Protection Agency and the U.S. Department of Energy. Appliances bearing this logo are more efficient than base models.
Consider Gas: Switching from an electric water heater to a gas water heater will conserve energy, generally leading to lower bills and less carbon dioxide in the environment.
Seal Your Ducts: Make sure your ducts are tightly sealed, since energy can be wasted out of cracks. Insulation on ductwork can also help.
Use Fans: Use ceiling fans instead of turning down the thermostat, and only turn the fans on when people are in the room.
Source: Jennifer Thorne Amann, co-author of "Consumer Guide to Home Energy Savings."