Week 31 
Renewable Energy

Renewable                                    vs                      Non-renewable Energy

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Renewable energy uses energy sources that are continually replenished by nature—the sun, the wind, water, the Earth’s heat, and plants. Renewable energy technologies turn these fuels into usable forms of energy—most often electricity, but also heat, chemicals, or mechanical power. Renewable energy is much better for the environment. Solar, wind, geothermal, and hydro energy do not produce carbon dioxide.

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Solar ~ As a renewable source of power, solar energy has an important role in reducing greenhouse gas emissions and mitigating climate change, which is critical to protecting humans, wildlife, and ecosystems. Solar energy can also improve air quality and reduce water use from energy production.

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Wind ~ As with all energy supply options, wind energy can have adverse environmental impacts, including the potential to reduce, fragment, or degrade habitat for wildlife, fish, and plants. Furthermore, spinning turbine blades can pose a threat to flying wildlife like birds and bats.

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Geothermal ~ Geothermal energy is heat within the earth. The word geothermal comes from the Greek words geo (earth) and therme (heat). Geothermal energy is a renewable energy source because heat is continuously produced inside the earth. People use geothermal heat for bathing, to heat buildings, and to generate electricity.

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Hydro ~ Hydroelectric energy, also called hydroelectric power or hydroelectricity, is a form of energy that harnesses the power of water in motion—such as water flowing over a waterfall—to generate electricity.

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THE ALTERNATIVES

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The alternatives to Renewable energy are Non-renewable energy such as coal, oil, and natural gas. They have to be burned to make use of the energy they contain, which is then released into the environment.

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Coal ~ Coal impacts: air pollution. The air we breath contains mercury, lead, sulfur dioxide, nitrogen oxides, particulates, and various other heavy metals. Health impacts can range from asthma and breathing difficulties, to brain damage, heart problems, cancer, neurological disorders, and premature death.

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Oil ~  Crude oil and petroleum fossil fuels because they are mixtures of hydrocarbons that formed from the remains of animals and plants (diatoms) that lived millions of years ago in a marine environment before the existence of dinosaurs. Over millions of years, the remains of these animals and plants were covered by layers of sand, silt, and rock. Heat and pressure from these layers turned the remains into what we now call crude oil or petroleum. The word petroleum means rock oil or oil from the earth.

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Natural Gas ~ High levels of natural gas exposure can cause natural gas poisoning, which is characterized by fatigue, severe headaches, memory problems, loss of concentration, nausea, loss of consciousness, and suffocation.

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HERE IS YOUR CHALLENGE

Make changes or add to the suggested items that you need for your family or group.

Food Storage Purchase
Water (1 gallon per person per day)

Check your pantry for anything you need.

 

Extra Items Purchase
Check your tools for anything you need.

Drill
Check your evacuation plan, review map and phonebook to update it if anything has changed.

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Skill
Find a skill you want to learn. Take a class or DIY.

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Savings
Save $31 as your budget allows. Save something.

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