Sustainable Energy

What is Sustainable Energy?

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

The supply of energy that meets the requirements of the present. Sustainable energy involves both renewable energy and energy efficiency, Both resources help to balance and decrease carbon dioxide released into the atmosphere.

Efficient energy use allows energy demand to slow down, so rising clean energy supplies can make big decreases in fossil fuels burning. If energy use grows too fast, renewable energy development will chase a going backwards objective. In addition, unless clean energy supplies come online quickly, slowing demand growth will only begin to decrease total release of fossil fuels; reducing the carbon content of energy sources is also required.

Pros:  Cons: 
Reduces pollution   Expensive to start off with  
Reduces greenhouse gases    Too much storage 
Renewable energy won’t run out    Geographic limitations 
Lower maintenance required    Will cause large businesses to close down 
Health benefits    

What are the Positives of Sustainable Energy?

Creating energy that manufactures no greenhouse gas release from fossil fuels and decreases some types of air pollution. Diversifying energy supply and reducing dependence on imported fuels. Creating economic development and jobs in manufacturing, installation, and more.

What are the Negatives of Sustainable Energy?

Unreliable weather can affect energy supply as renewable energy often relies on certain weather conditions, this can impact the reliability of a constant energy supply. For example:

– Hydro generators need enough rain to fill dams for their supply of flowing water.

-Wind turbines need wind to turn their blades.

-Solar panels need clear skies and sunshine to get the heat needed to generate electricity.

It’s hard to produce the same amounts as non-renewable sources. It can be difficult to generate quantities of electricity that are as large as those produced by traditional fossil fuel generators.

What is Non-Renewable Energy?

Impacts of Non-Renewable Energy?

Greenhouse Gas Emissions: When these non-renewable resources are extracted from the ground, greenhouse gases such as carbon dioxide and methane, are released into the atmosphere. Causing a thick blanket of gas to circle our planet, leading to global warming.

Air Pollution: The fumes and gas emissions from the machines that extract or use the non-renew

Water Pollution:

Land Pollution:

Oil Spills and Accidents:

What will happen if we continue to use Fossil Fuels?

If we continue to use fossil fuels it is predicted that our climate will rise so high that it will become uncontrollable and an almost impossible issue to fix. This will cause millions of flora, fauna and humans alike to suffer and possible die. We might move to a more sustainable energy source or the world as we know will be no longe

A non-renewable resource is a natural resource that cannot either replenishes very slowly or cannot be replenished at all.

Types of Non-Renewable Energy?

• Fossil Fuel Oil

• Coal

• Natural Gas

• Nuclear

Impacts of Non-Renewable Energy?

Greenhouse Gas Emissions: When these non-renewable resources are extracted from the ground, greenhouse gases such as carbon dioxide and methane, are released into the atmosphere. Causing a thick blanket of gas to circle our planet, leading to global warming.

Air Pollution: The fumes and gas emissions from the machines that extract or use the non-renew

Water Pollution:

Land Pollution:

Oil Spills and Accidents:

What will happen if we continue to use Fossil Fuels?

If we continue to use fossil fuels it is predicted that our climate will rise so high that it will become uncontrollable and an almost impossible issue to fix. This will cause millions of flora, fauna and humans alike to suffer and possible die. We might move to a more sustainable energy source or the world as we know will be no longe

What is Solar Energy?

Solar Energy is the energy produced through the conversion of sunlight into electricity. It was discovered in 1839 by Edmond Becquerel, a French physicist.

How is Solar Electricity Produced?

Step 1: The solar panels convert the sunlight into a DC current

Step 2: The inverter then converts the DC current to an AC current

Step 3: The AC current then travels through the wires throughout the house giving the house the electricity it needs

Step 4: The extra electricity is then credited onto the grid

Positives of Solar Energy

Renewable Energy Source: Due to the energy source being sunlight, it can always replenish immediately, therefore helping the environment

Diverse Application Options: Solar panels can be installed in various places, whether it’s roofs or the ground, allowing for many different building to use solar energy

Low Maintenance Costs: The cost of maintaining, cleaning and looking after the solar panels is reasonably cheap and very easy to do.

Reduces Electricity Bills: By using solar panels for your electricity source your electricity bills are reduced.

Negatives of Solar Energy

Initial Cost: The initial cost of purchasing solar panels are very expensive

Weather Dependent: Electricity is only made through the conversion of sunlight so when it is cloudy, sunlight is not able to be converted2 into energy

Possible Countries that can use Solar Energy

Some countries in the world do not have adequate temperatures and/or weathers to use solar energy, as they are too cold or cloudy, e.g. Iceland. However, some countries are much more suited to used Solar energy as their primary sustainable energy source, some of these include; Australia, Spain, Greece, Costa Rica and Malta.

What is Biomass Energy?

Biomass is made up of living things (or things that were once living). This can include any plant or animal material, such as sugarcane or corn crops or wood chips.

All these types of biomass contain energy because they’re organic materials. So, whether they started life as plants or animals, they’ve all absorbed chemical energy naturally from the sun.

Advantages and disadvantages of Biomass energy:

Advantages
Biomass is a clean, renewable energy source. Its energy comes from the sun, and plants or algae biomass.

If trees and crops are sustainably farmed, they can offset carbon emissions when they absorb carbon dioxide through respiration.

Many biomass feedstocks, such as switchgrass, can be harvested on small lands or grazing lands, where they do not compete with food crops.

Unlike other renewable energy sources, such as wind or solar, biomass energy is stored within the organism, and can be harvested when it is needed.  

Disadvantages
If biomass feedstocks are not replenished as quickly as they are used, they can become non-renewable. A forest, for instance, can take hundreds of years to re-establish itself.

Most biomass requires arable land to develop. This means that land used for biofuel crops such as corn and soybeans are unavailable to grow food or provide natural habitats.

Most biomass plants require fossil fuels to be economically efficient. An enormous plant under construction near Port Talbot, Wales, for instance, will require fossil fuels imported from North America, offsetting some of the sustainability of the enterprise.

Biomass has a lower “energy density” than fossil fuels. As much as 50% of biomass is water, which is lost in the energy conversion process. Scientists and engineers estimate that it is not economically efficient to transport biomass more than 160 kilometres from where it is processed.

What is Hydro Energy?

Hydropower or water power is power obtained from the energy of dropping or fast-running water, which may be controlled for useful purposes. It a form of energy that utilizes the power of water in motion, such as water flowing over a waterfall, to generate electricity. Hydro energy was discovered by James Francis in 

How does Hydro Energy work?

Most hydroelectric power plants have a pool of water, a gate or valve to control how much water flows out of the pool, and an outlet or place where the water ends up after flowing downward. Water gains potential energy just before it spills over the top of a dam or flows down a hill. The potential energy is converted into kinetic energy as water flows downhill. The water can be used to turn the blades of a turbine to generate electricity, which is distributed to the power plant’s customers.

The 21st Century Version of Hydropower | by Denis Pombriant | Medium

What is Geothermal Energy?

Geothermal energy is thermal energy generated and stored in the Earth. In 1904 the very first geothermal electric power plant was created in which steam was used to generate power, this was all done by an Italian scientist Piero Ginori Conti.

How is Geothermal Electricity Produced?

Step 1: Heat is made in the Earth’s magma, along with layers of heat and rock. In this area radio-active substances decay.

Step 2: In these decaying areas, hot water is pumped far under the Earth’s surface through 3–10km long wells under a large amount of pressure.

Step 3: When the water reaches the Earth’s surface, the large amount of pressure rapidly drops, which therefore causes the water to transform into steam.

Step 4: The steam spins a turbine, which is connected to a generator that produces electricity. However, instead of spinning the turbine with the steam the steam is also sometimes turned back into water which is then pumped directly to houses as hot water.

Step 5: The steam cools down in a cooling tower and transforms back into water. The cold water is then pumped back into the Ground to start the Geothermal System cycle again.

Step 6: The electricity made through the geothermal process is then transported through underground pipes to different buildings to turn on the lights and to produce hot water.

This image has an empty alt attribute; its file name is 4-1-5-geopower.gif
 
Positives of Geothermal Energy

Environmentally Friendly: Geothermal Energy is good for the environment because it does not create much pollution.

Renewable Resource: Geothermal Energy is renewable therefore it will replenish quicker and naturally.

Cost Efficient: It is cheap to Harness Geothermal Energy for it does not use any fuels.

Available Everywhere: Geothermal Energy is under the Earth’s crust therefore it can be accessed anywhere.

No Setting Damage: A Geothermal Power station is mostly built underground.

Negatives of Geothermal Energy

Earthquakes: Extreme Geothermal Power station can cause minor earthquakes in the areas around it.

Location Specific: Geothermal energy must be harnessed only in area’s where the cross is thin and weak.

High Costs: It is expensive to build and use the temperature systems during the Geothermal process.

Not Always Renewable: The Geothermal power station must be managed well to be sustainable and renewable.

Minor Environment issues: Geothermal Energy can cause small environmental problems if not managed well.

Geothermal Energy Worldwide

Geothermal Energy isn’t being used enough worldwide since it is a renewable resource it should be used more. Worldwide geothermal energy and biomass together only make up 1% of the worlds energy use. Worldwide geothermal energy is being produced in 24 countries yet 70 countries use geothermal heating. By 2050 it is predicted that geothermal energy will be able to provide for 3-5% of global demand though by 2100 it will be able to provide for 10%.

Future Use of Geothermal Energy

Geothermal power stations produce 2000 times less carbon dioxide than power plants run by fossil fuels therefore in the future scientists and engineers are looking to see how they can use more geothermal power for it is sustainable and renewable. Advanced technologies will allow us to harness geothermal power worldwide therefore it is predicted that by 2100 10% of our worldwide energy will come from geothermal power.

Possible Countries that can use Geothermal Energy

The best places to source geothermal energy are those countries lying on tectonic plate boundaries. Some countries that can make the best use of geothermal energy include; Japan, New Zealand, Hawaii, Alaska and California.

What is Tidal Energy?

tidal energy is powered by the natural rise and fall of ocean tides and currents. Some of these technologies include turbines and paddles.  a form of hydropower that involves making use of the potential energy created during tide changes to create electricity. This method of power generation causes zero direct greenhouse emissions; however, the environmental impact of tidal energy is yet to be confirmed.

Tidal Energy -- All Renewables Are Not Created Equal

How is Tidal Energy produced?

The energy is produced by the rush of ocean waters during the rise and fall of tides.
Tidal energy production is still in its early days, The amount of power produced so far has been very minimal. There are very few large commercial power plants operating in the world. The first was located in La Rance, France. The largest facility is the Sihwa Lake Tidal Power Station in South Korea. The United States has no tidal plants and only a few sites where tidal energy could be produced at a logical price. China, France, England, Canada, and Russia have much more possible to use this type of energy.

Types of Tidal Energy:

There are currently three different ways to get tidal energy: tidal streams, barrages, and tidal lagoons.

 For most tidal energy generators , turbines are placed in tidal streams.  A tidal stream is a fast-flowing body of water created by tides. Placing turbines in tidal streams is a complicated process , the machines are large and disrupt the tide they are trying to tackle.

Another type of tidal energy generator uses a large barriar called a barrage. With a barrage, water can spill over the top or through turbines in the barriar because the barrier is low. Barrages can be constructed across tidal rivers, bays, and estuaries.\

Another type of tidal energy generator involves the construction of tidal lagoons. A tidal lagoon is a body of ocean water that is partly surrounded by a natural or manmade barrier. Tidal lagoons might also be waterway and have freshwater emptying into them.

Tidal Energy: The New Sustainable Resource - Wood Harbinger

What is Wind Energy?

Wind energy is the process of generating electricity by utilizing the wind, or air flows that happens naturally inside the earth’s atmosphere. Modern wind turbines are used to capture kinetic energy from the wind and generate electricity.

How wind turbines work?

When the wind flows past a wind turbine, its rotors collect the wind’s kinetic energy and rotates, turning it into mechanical energy. This rotation turns the inner pole connected to a transmission, which rises the speed of rotation by a factor of 100. That rotates a source of power that produces electricity.

What is a wind farm?

A large number of wind turbines are constructed near eachother. A wind farm functions as a single power plant and sends electricity to the grid.

  • How to put Sustainable Energies into Play

Now that we know many possible sustainable energies that could replace non-renewable energies, we need to find a solution on how to put these sustainable energies into action. There are three main areas to consider in order to solve our energy crisis. Firstly, in order to solve this issue on a worldwide scale, we must consider that different places have different climates and resources available, so which countries will use which types of energies? Secondly, funding, where are we going to get the money to manufacture the parts needed for our sustainable energy making machines? Thirdly, how are we going to support workers who have lost their jobs in the fossil fuel industry?

Different countries for different energies:

Solar Energy – The weather must predominately be sunny, as in order for energy to be made, sunlight must be converted to electricity. Some countries that could initilise solar energy use best include Australia, Malta, Costa Rica, Cyprus, Morocco, Spain, Portugal, Greece and Uganda.

Biomass Energy – The best countries to apply biomass energy are rural areas. Some countries that have rural areas and already use a considerable amount of biomass energy include, Kenya (75%), India (50%), China (33%) and Brazil (25%). However industrialized location in countries such as Finland, Ireland, Sweden and the USA, also are able to initialise biomass energy.

Geothermal Energy – The best countries to use geothermal energy are those that lie on tectonic plate boundaries. Some countries that can make the best use of geothermal energy include; New Zealand, Hawaii, Japan, California, Alaska and multiple countries on the ring of fire.

Funding:

•- Group Funding – The best countries to use geothermal energy are those that

– To get community councils  involved with the sustainable energy movement

 

Support for Fossil Fuel Businesses:

• Charities

• Job Seeker

• Workers who use their jobs in this industry get first pick for the sustainable energy jobs made available

How do we fix what we’ve already Destroyed?

We have already caused so much damage to the earth due to using non-renewable energies. So here are some solutions to speed up the process of fixing and restoring our damaged planet:

Plant more trees: to absorb the carbon dioxide in the atmosphere

Travel on foot, bike or public transport: to lower the greenhouse gas emission into the atmosphere

Construct more wind farms and wind turbines: To contribute to more wind power in cities and towns

Provide to solar power panels to all houses and building: Help absorb the sun’s light into energy


Tags

Leave a Reply

Your email address will not be published. Required fields are marked *