The Benefits to Geothermal Energy

Geothermal energy comes with plenty of benefits to the environment and the economy. First of all, the emissions that come with geothermal energy are low, especially compared to the energy used in other resources such as coal and oil.

Second of all, we can help diversifying our country's electricity generation portfolio thus making for a more a dependable and greener future. The use of geo thermal energy reduces pollution, reduces global warming and reduces the risk of oil spills and other problems associated with using fossil fuels.

Finally, geothermal energy is a lot cheaper compared to other sources of energy, especially considering the price of oil. Those who use geothermal energy in their homes can expect to save on electricity and the costs for heating water each month.

The Benefits to Solar Water Heating

Essentially, there are three main benefits to switching over to solar water heating. First of all, you are reducing your C02 emissions. Heating your house is a major factor in your yearly carbon dioxide emissions. Once you have installed your solar water heaters they do not pollute at all. Not only are you stopping C02 emissions, but you are also avoiding nitrogen oxides, sulfur dioxides and other air pollution and waste created by other power generating options.

Once the solar panels are attached to your roof, they collect the solar energy free, so your power bills are reduced greatly.

Thirdly, solar heating offers several buying incentives from most governments around the world. Just go to the website of your local government to find out if your government offers any incentives for the installation of solar collectors.

The Disadvantages to Solar Water Heating

One immediate concern for consumers or businesses considering this heating option is the initial set-up costs. Some solar heating options are not compatible with current radiators, adding an additional installation expense. You'll have to ensure that your roof is situated correctly to install solar collectors, and also make sure it's reinforced if necessary, to handle the additional weight of the solar panels. During the winter, there won't be as much heat, and you'll have to supplement with traditional fossil-fueled power to a greater degree. Lastly, in areas without consistent natural light, heating can be inconsistent.

fuel cells

Fuel cells are the battery for a greener tomorrow. Like batteries, fuel cells generate electricity through a chemical reaction. Essentially, fuel cells combine hydrogen and oxygen to produce electricity and water with a series of chemical reactions thrown in for good measure, of course. By now, you have surely heard of the movement to "go green," including the need to develop alternative methods for fueling our vehicles. Fuel cells are one of these substitutes for gasoline.

What Are Fuel Cells?

A fuel cell may sound as though it is simply a type of gas tank, but is actually similar in function to a large battery. These cells combine hydrogen, the most common element in the universe, with available oxygen.

Hydrogen carries energy. The electrons, which are tiny particles bound to the hydrogen atom, carry the energy. It is when these bonds are broken that the energy is released. Fuel cells work by burning hydrogen gas in a flameless chemical reaction which produces electricity and water.

There are five main components needed during the operation of fuel cell such as hydrogen, oxygen, two conductors and an ionic conductor. The two conductors, referred to as anode and cathode, are separated by an ionic conductor or electrolyte. Hydrogen is pumped into the anode and oxygen in pumped into the cathode. Hydrogen reacts with the charged particles, called ions, in the electrolyte which will react to water and electrons. These electrons leave the fuel cell through as an electric current (much like a typical battery) and return to the fuel cell cathode. It merges with the oxygen and the water to form more ions which will replace those being consumed at the anode.