All About Renewable Energy Sources

Most of the world’s energy is currently produced by the burning of fossil fuels. The thing about fossil fuels, however, is that they are finite. Eventually, there will be no more left to burn. When these fuels are no more, we will need other types of energy sources in order for society to function. Thankfully, there are several viable alternatives to the burning of fossil fuels. Let’s take a look at some of these alternative energy sources.

Solar Energy

Solar energy is virtually limitless. It comes from collected sunlight. This sunlight is collected by solar panels and converted into usable electricity. Solar energy is incredibly clean and poses little to no environmental risks. It can also be installed on private homes and used for valuable energy credits. However, there are a few drawbacks to solar energy. First of all, it takes up a lot of space. Although there are some newer designs that allow solar energy to be collected in a much more space-efficient manner, there may not be enough available real estate for a full conversion to solar energy. Another drawback of solar energy is that it cannot be collected at night or during cloudy days.

Wind Power

The kinetic energy of wind can be harnessed and converted into electricity. This energy is typically converted into electricity by windmills. There are several different designs of windmills that are becoming increasingly efficient as time goes on. However, windmills also have many drawbacks. They have been known to disrupt the migratory patterns of birds. Some of these migratory birds have been known to be killed by the blades of windmills. There are also limits to the blade sizes on windmills due to legal and logistical issues involved in transporting them. Smaller blades generally mean that less energy can be collected.

Nuclear Energy

Nuclear energy is generated by chemical reactions involving uranium. The vast majority of nuclear energy is collected through a process known as nuclear fission. Although nuclear energy is highly efficient and renewable, it is extremely controversial due to the fact that many people are afraid of the environmental risks that it may pose. Through normal use, nuclear energy is much safer than energy that is generated through the burning of fossil fuels. However, accidents involving nuclear power plants can be catastrophic.

Hydroelectricity

Hydroelectricity is generated by using the kinetic energy of moving water. Hydroelectric dams are typically set up at waterfalls. They are relatively inexpensive and have far fewer emissions than more conventional forms of electricity production. However, hydroelectricity is not without its drawbacks. Hydroelectric dams can be extremely disruptive to ecosystems. Wildlife can be displaced by changes to the flow of water. Plants and arable land can also be ruined by changes to the water due to hydroelectric dams.

Geothermal Energy

Geothermal energy is essentially heat that has been trapped inside of the Earth. This heat can be released and converted into usable electricity. Geothermal energy is very clean and extremely abundant. Although local pockets of geothermal energy can depleted if they are not properly managed, the global supply of geothermal energy is virtually inexhaustible. However, unlike most other forms of renewable energy, there are more gas emissions to be concerned about when converting geothermal energy into electricity.

It is no secret that the world’s supplies of fossil fuels are shrinking at increasingly high rates. However, developments in renewable energy sources are more promising than they have ever been. It is not likely that any one renewable energy source will rise up to replace fossil fuels. Rather, it will be a combination of intelligently applied sources that will allow society to function long after fossil fuels have been depleted.

An Introduction to Renewable Energy Sources

Renewable energy is all around us.

The sun, wind, rivers, lakes, oceans, plant growth, or even the heat deep within the earth is renewable energy. Modern technology has started to harness these endless sources of power by converting these into electricity, transport fuels, and the heating of our homes and water. They have the potential to completely replace conventional fuels. There is overwhelming scientific evidence that the use of conventional fuels is the main cause of climate change. In spite of this justifying the cost of a new infrastructure is a source of heated debate. People are creatures of habit and will resist change even when it is in their best interests. Now is the time for action with the certainty that we are doing the right thing. Let any who would sow doubt be rebuked with the facts.

Using the power of moving water to generate electricity is renewable energy.

Hydroelectric dams are a form of renewable energy we are all familiar with. New technology is being developed to generate electricity from tidal and wave energy. This will create the potential of 12,380 miles of U.S coastline to selectively be put to use creating a new power supply. This is a reliable constant motion that can help solve our energy problems. It is renewable energy in pure form. The cycles of water here on planet earth were in motion long before man and will continue indefinitely.

The kinetic energy of air in motion or wind energy is also renewable energy in pure form.
It has been used for thousands of years in the form of sailboats and windmills. Now in modern times it is being used to generate electricity. Wind energy is directly affected by the topography of the land. The tops of smooth, rounded hills, open plains, shorelines, or mountain gaps that funnel the wind are the best spots for wind farms. Offshore is also excellent due to better wind speeds. Wind energy alone has the potential to supply total world demand 30 times over.

Geothermal heat within the earth is a massive renewable energy source.

It is 24 hour power and not intermittent like some other forms of renewable energy. The majority of the continental U.S. has 100 degrees Celsius under it. The western part of the country has large areas of 200 degrees Celsius apparently due to it sits on the Pacific Ring of Fire. Enhanced geothermal systems are a newer technology that could take advantage of this huge power source. Geothermal heat has the potential to supply total world demand 1.5 times over. As technology to extract it improves its potential will increase.

Radiant heat and light from the sun or solar energy is another massive renewable energy source.
It is the source of energy that creates four other forms of renewable energy. Wind is caused by atmospheric convection which is fueled by the sun. Ocean waves are caused by the wind. Rivers are formed by precipitation caused by water evaporating due to heat from the sun. All the green and growing things depend on the energy from the sun and are the biomass we use as fuel. Solar energy has the potential to supply total world demand 4000 times over.