Why are alternative energy sources important?

Renewable energy provides reliable power supplies and fuel diversification, which enhance energy security and lower risk of fuel spills while reducing the need for imported fuels. Renewable energy also helps conserve the nation’s natural resources.

What is the need for alternative sources of energy?

Alternative energy sources have a much lower carbon footprint than natural gas, coal, and other fossil fuels. Switching to renewable energy sources to produce electricity will help the planet by slowing and reversing climate change.

Why do we need renewable energy PDF?

The major sources of renewable energy include solar, wind, biomass, geothermal, hydropower and tidal energy. Renewable energy produces only small levels of carbon emissions and therefore, helps battle climate change caused by fossil fuel burning.

Why alternative energy is bad?

Although renewable energy sources produce relatively low levels of GHG emissions and conventional air pollution, manufacturing and transporting them will produce some emissions and pollutants. The production of some photovoltaic (PV) cells, for instance, generates toxic substances that may contaminate water resources.

What is the definition of alternative sources of energy?

What is Alternative Energy? Alternative Energy refers to energy sources other than fossil fuels. This includes all renewable sources and nuclear. A renewable energy source is produced from sources that do not deplete or can be replenished 1 within a human’s lifetime.

What are the 5 types of renewable energy?

How these types of renewable energy work

• 1) Solar energy. Sunlight is one of our planet’s most abundant and freely available energy resources.
• 2) Wind energy. Wind is a plentiful source of clean energy.
• 3) Hydro energy.
• 4) Tidal energy.
• 5) Geothermal energy.
• 6) Biomass Energy.

Why is renewable energy important for the future?

The Future Lies in Using Renewable Energy Renewable energy will continue to rise in the upcoming decade, edging out fossil fuels and reducing greenhouse gas emissions. Their increasing deployment is crucial for efforts to tackle greenhouse gas emissions, reduce air pollution, and expand energy access.”

What are four alternative sources of energy?

The most popular renewable energy sources currently are:

• Solar energy.
• Wind energy.
• Hydro energy.
• Tidal energy.
• Geothermal energy.
• Biomass energy.

How expensive is alternative energy?

Solar cost about 19 cents more per KWH than gas or coal. Wind power is second behind that, and adopting any of the other renewable technologies will be an outrageously expensive undertaking.

What alternative energy source is the best?

We can find out which one of these renewable energy sources is the most efficient by calculating the costs of the fuel, the production, and the environmental damages. Wind comes out on top by a wide margin over all the other sources. It is followed in order by geothermal, hydro, nuclear and solar.