lately i have really noticed how terrible global warming is and i have decided to start doing my part. i know about recycling and using less energy, but what else can i do to help save the planet?
remember, if enough of us do our part, the world may not be underwater in a hundred years.
Windmill Farms answers:
Global warming became a subject of hot debate in the late twentieth century, with varying groups exaggerating or dismissing the effect of human activity on the environment. It does seem clear that increased human activity has resulted in a historically unusual amount of greenhouse gases, as ice cores tens of thousands of years old have indicated. Consumers are often confused about their role in global warming, and are unsure about what they can do to reduce their footprint on the earth.
Consumers produce greenhouse gases, sometimes directly by burning fossil fuels in their vehicles and sometimes indirectly by supporting industries which create greenhouse gases. For example, millions of acres of South American rain forest are burned every year to support the beef industry, which is responding to consumer demand for cheap meat. It is generally agreed that if consumers would take steps to reduce their carbon emissions, it would have profound effects on global warming.
The first step in reducing man’s carbon footprint is to use carbon emitting technology less, and to promote alternative forms of energy. Solar, wind, and hydroelectric power are all excellent alternatives to coal and petroleum burning energy generation. In addition, consumers can reuse and recycle products rather than throwing them away, causing the market for new goods made using carbon emitting technology to shrink. Furthermore, recycling reduces the amount of greenhouse gases released while objects decay in landfills.
Better management is also needed for agricultural and forest lands. In addition to creating carbon when land is burned, biomass which could filter the carbon is also reduced. Trees and plants are an important part of the carbon conversion system, along with marine algae, and could help to correct the situation if allowed to flourish.
Additionally, consumers can pressure companies to engage in more environmentally sound business practices, including reduction of carbon emissions. At the same time, citizens could encourage their nations to enact more stringent laws in regards to greenhouse gas emissions, in the hopes of promoting a society with minimal carbon emissions. Purchasing from “green” companies indicates that there is a market for ecologically sound products, and more companies will follow suit if encouraged to do so.
Some nations are also promoting the idea of carbon offsets. A carbon offset is usually an investment in tree planting, development of alternative energy, or some other carbon reducing activity. A consumer could determine, for example, that he or she is going to fly from London to New York, an activity that will result in a heavy carbon emission from the engines of the aircraft. A carbon offset could be purchased, whereby trees are planted somewhere else in an attempt to compensate for the carbon emission created. While carbon offsets do not actually reduce the carbon emissions of one person to zero, they do help to mitigate the effects.
Consumers can have an impact on global warming by reducing their footprint and thinking consciously about the decisions they make. Simple actions like taking public transit instead of a car, or purchasing goods from a green company, can make a huge difference, especially when magnified globally.
answer these two questions plez.?
name one disadvantage of using coaland natural gas to generate electricity.
and how would using windmills to generate electricity address the disadvantage what you mentioned?
Windmill Farms answers:
Coal and natural gas release carbon dioxide into the air when burned, along with methane if they are incompletely burned. Carbon dioxide and methane are both “greenhouse gases”. Theoretically windmills would eliminate the release of these gases, by eliminateing the need to burn coal or gas in the first place.
But there’s a huge hole in this theory. What are you gonna make the windmills out of? The only material suitable for the non-electrical parts of the wind turbine is a plastic composite, either carbon-fiber or some other reinforced plastic. But the refining of oil to get the polymers out of which the plastics are made also involves the release of carbon dioxide and methane.
Any electrical generator has to have copper windings in the field and on the stator, to create the electrical current that will become the generated electricity. It takes machinery using either electricity or fossil fuels to mine the copper ore and convert it into usable copper wire for the windings. This machinery, too, will facilitate the need for the release of carbon dioxide or methane to power them for the production of the wire.
Kind of a Catch-22.
Justify the use of different energy sources to provide a nation’s electricity supply?
including fuels and renewable sources
Windmill Farms answers:
Fossil Fuels are a useful source of energy due to the large amount of energy they contain and the large infrastructure that is already available to allow the piping of gas, the transportation of coal and oil and the large power stations already equipped to deal with large amounts of fuel and provide large amounts of electricity. The obvious downside is the greenhouse gasses and the fact it is nonrenewable.
Nuclear fission power is a power source that doesn’t give off greenhouse gases, and can provide large amounts of energy, they also don’t create direct pollutants that can cause respiratory problems that are given off by fossil fuel powered stations. The downside to nuclear is that it is nonrenewable (and the amount of fissionable material left is unknown) and the radioactive waste has to be stored for millions of years before it is at a safe level.
Nuclear fusion power would be a good source of power as the only byproduct would be helium, unfortunately the development of fusion power has not yielded a method that gives out more electricity than it requires to work.
Solar power is a useful source, with the energy from the sun landing on the area of a conventional power station being much more energy than the power station provides, the only problem is the conversion of this energy to electricity is very low, and large areas of land would be required to be converted for solar collection. Solar power can be collected in Photovoltaic cells, or can be used by households for hot water, solar towers used to boil water and turn steam turbines and many other projects being developed such as solar ponds.
Wind power can be harnessed using wind turbines (and has been for many centurys – e.g. Windmills) these can include the large 3 bladed wind turbines seen in the countryside, or smaller ones developed for home use, and also vertical ones that don’t get affected by wind direction. Wind turbines can only operate in a small range of wind speeds, though this range will increase as technology improves. Complaints about the noise, visual impact and impact on bird life stop many turbines from being built. Turbines can be built inland or offshore.
Geothermal power could be a useful source of energy, but depends on geothermal activity. Large drills are required for the pipes to go down far enough to heat up. In ares with less geothermal activity, heat can still be gained from pumping water around ground just a few metres underground.
Dams and tidal barrages aer a great source of energy, gaining energy from water flowing through them. Problems arise from the environmental issues of flooding large areas, or preventing sealife from getting upriver. Tidal power can also be harnessed using buoys that gain energy from the tide rising and the wave power.
Biofuel is another opton, it converts biological matter into methane, ethanol, biodiesel and other fuels. It can be a good source if the biomass comes from waste matter that would otherwise be wasted. Problems with biofeul are that it requires large areas of land, and usually that comes from deforestation, causing even more problems.
The largest source of renewable energy in the UK is actually reclaimed methane from rubbish tips. This is a good way of recovering energy from waste, but the waste should really be recycled as this would reduce the energy used more than the energy gained from the methane.
Energy storage is not an energy source, but it is useful to a country as surplus energy is made during the night, and not enough is produced during the day. Storage could include water pumping stations, electric battery networking (such as car batteries of electric cars) or giant chemical batteries such as ammonia-hydrogen tanks.
what are three cons about nuclear energy? They can be anything about it.?
Windmill Farms answers:
Actually the cons have been ridiculously exaggerated.
Solar photovoltaic cells produce electricity at a cost that is over 10 times the cost of electricity produced by nuclear energy.
Solar photovoltaic cells are too expensive unless you can afford to have your electricity bill go up by more than ten times what it is now.
Wind power is approximately twice as expensive as nuclear power.
Also the wind does not always blow when you need it. Wind power is too unreliable.
Fortunately in The United States of America we have over 100 nuclear power plants that have been operating safely for over 40 years.
Those nuclear power plants provide more than 20% of the electricity in The United States of America.
France getsover 80% of it’s electricity from nuclear power plants.
It is said that nuclear waste is a problem. However that is an artificially created problem. Congress made it illegal to reprocess or recycle the spent fuel rods.
If the spent fuel rods are reprocessed (recycled) to produce more nuclear fuel virtually all of the waste is eliminated.
Also nuclear power plants can be designed to produce more nuclear fuel than they consume if the spent fuel rods are reprocessed (recycled).
Nuclear power plants are very safe. We have been safely operating over 100 nuclear power plants in The United States of America for over 40 years.
France, China, and India also operate nuclear power plants very safely.
Nuclear power is very clean. There are no emissions of greenhouse gases or other pollutants to the atmosphere.
Nuclear power is also the least expensive source of electricity.
When we start using electric cars we will need many new electric power plants to provide the electricity to charge the batteries of the electric cars.
Nuclear power is the lowest cost source of electricity that does not emit greenhouse gases.
We must start building nuclear power plants now if we are going to have the generating capacity that we will need for the electric cars that we will be operating in the near future.
what is the difference between windmill and wind turbine ?
windmill, wind turbine
Windmill Farms answers:
Hi this is shahnawaz khan. I would suggest some knowledge
A wind mill- definition
A windmill is a machine which converts the energy of wind to rotational motion by means of adjustable vanes called sails. The main use is for a grinding mill powered by the wind, reducing a solid or coarse substance into pulp or minute grains, by crushing, grinding, or pressing. Windmills have also provided energy to sawmills, paper mills, hammer mills, and wind pumps for obtaining fresh water from underground or for drainage (especially of land below sea level).
A wind turbine- definition
A wind turbine converts the energy of wind into kinetic energy. If the mechanical energy is used directly by machinery, such as pumping water, cutting lumber or grinding stones, the machine is called a windmill. If the mechanical energy is instead converted to electricity, the machine is called a wind generator, wind turbine, wind power unit (WPU), wind energy converter (WEC), or aero generator.
Windmills are much shorter than wind turbines, and usually have many blades. The blades catch more wind causing the windmill to be able to do more physical work. The propeller blades are connected to an axle with gears. The gears are connected to a vertical shaft that runs down the length of the tower and is connected to other mechanical equipment. Windmills do work such as pump water or grind grain, which is why they are a common site on farms where they are used in crop production. They are not built to produce electricity.
In other words
Windmills have been in use since the 9th century and use the kinetic energy (energy of motion) of wind to do mechanical work, like crushing grain or pumping water.
Wind turbines use a generator to transform the kinetic energy of the wind into electricity without producing any greenhouse gases. The generator is essentially a magnet that creates an electrical current in a coil of wires when it spins.
Mohammas Shahnawaz Khan
Electrical Quality Control Engineer
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