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Renewable energy is based off of all ready existed things. One example is Solar, Wind, Or Water Dams. Even the left over material left behind Corn.

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A new wave of technologies is on the verge of producing energy that's clean, renewable, and most importantly, affordable.

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renewable energy is energy from a source that do not depleted when used, a example is solar energy that use the power of the suns light to make energy.

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Definition of Renewable Energy Source

Every day we rely on energy to provide us with electricity, hot water, and fuel for our cars. Most of this energy comes from fossil fuels, such as coal, oil, and natural gas. These are nonrenewable energy sources, which means that if we use them all up, we can never get more during our lifetime. Fossil fuels also contribute greatly to global climate change by releasing carbon dioxide into the air when they are burned.

Because fossil fuels can run out and are bad for the environment, it is important that we start switching to other energy sources, like renewable energy sources. These are energy sources that are constantly being replenished, such as sunlight, wind, and water. This means that we can use them as much as we want, and we do not have to worry about them running out. Additionally, renewable energy sources are usually much more environmentally friendly than fossil fuels. Overall, they release very few chemicals, like carbon dioxide, that can harm the environment.

Currently, less than ten percent of all the energy we use comes from renewable sources. So, you might be wondering, 'if renewable energy sources do not harm the environment and will not run out, then why are we not using them everywhere and all the time?' It is because many of them are currently expensive to harness, are inefficient, or have other disadvantages. For example, using energy from the wind might be great in an area that is really windy all year-round, but it wouldn't work so well in an area with very little wind.

Types of Renewable Energy

Let's look a little closer at five examples of renewable energy sources, including the pros and cons of each.

Solar energy, or energy from the sun, is harnessed using solar collectors. This collected energy can then be used to provide heat, light, or other forms of electricity.

Pros: Sunlight is free and readily available almost everywhere. Using it does not create any wastes or pollutants.

Cons: The technology needed to collect and use solar energy can be expensive. Sunlight can only be collected during the day when it is sunny.

Wind energy is just what it sounds like: energy that we get from the wind. Windmills have been used for hundreds of years to pump water from the ground. Today, we use large, tall wind turbines that use the wind to generate electricity. Many wind turbines are often placed together in wind farms in flat areas with strong winds.

Pros: Does not produce any waste or pollutants. It takes up little ground space.

Cons: Wind turbines can disturb or kill flying creatures, like birds and bats. Wind is not constant and reliable everywhere.

When water is used to generate electricity, it is called hydroelectric power, or hydropower. Most hydropower plants use a dam on a river to create a reservoir to store water. As water is released from the reservoir, it flows through a turbine and causes it to spin. This activates a generator that produces electricity.

Pros: Hydropower is relatively inexpensive, and it leaves no harmful chemicals.

Cons: Dams can change and destroy habitats near rivers. Dams can also prevent the migration of fish.

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what is a renewable energy source? - definition & example - video & lesson transcript | study.com

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What Is a Renewable Energy Source? - Definition & Example - Video & Lesson Transcript | Study.com

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Every day we rely on energy to provide us with electricity, hot water, and fuel for our cars. Most of this energy comes from fossil fuels, such as coal, oil, and natural gas. These are nonrenewable energy sources, which means that if we use them all up, we can never get more during our lifetime.

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http://www.global-greenhouse-warming.com/climate-mitigation-and-adaptation.html

Climate adaptation refers to the ability of a system to adjust to climate change (including climate variability and extremes) to moderate potential damage, to take advantage of opportunities, or to cope with the consequences.

The IPCC defines adaptation as the, “adjustment in natural or human systems to a new or changing environment. Adaptation to climate change refers to adjustment in natural or human systems in response to actual or expected climatic stimuli or their effects, which moderates harm or exploits beneficial opportunities. Various types of adaptation can be distinguished, including anticipatory and reactive adaptation, private and public adaptation, and autonomous and planned adaptation.”

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What are the causes of climate change? Question 1

The causes of climate change are from fossil fuels being burned up into the atmosphere. This heats up the Earth because when CO2, it goes up into the atmosphere and heats up the Earth. The air we breath even becomes CO2 and goes into the atmosphere. But there are ways that we could stop climate change.

We can use energy that never runs out, Renewable Energy.

There are different renewable energy's we could use. We could use the sun. We could use solar panels that takes in the suns heat and converts it into energy. We could use water. We could make turbines in dams that rotate from the movement of water and makes energy. There are much more Renewable energy's we could use.

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Renewable energy is generally defined as energy that comes from resources which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

Alcohol - Used in the production of biodiesel

Algae - Can be harvested and made into jet fuel, biodiesel and biobutanol

Animal fat - Used to make biodiesel or bioplastic

Bark and sawdust - Used for heat and power

Barley - Can make fuel ethanol

Corn - Used to make ethanol to power cars and heat homes

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Brainstorm, predict, discuss, collaborate, create...

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Explain the renewable energy potential of India? Of the USA?

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Explain world renewable energy resource availability.

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Define renewable energy and give examples.

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Define sustainable technology and its potential to mitigate climate change

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FOCUS QUESTIONS 29-32