Renewable energy or renewable energy is energy from renewable sources that are indivisible, such as solar, wind, rain, tides, waves and geothermal energy. The basic principle of using renewable energy is to extract some of the energy from continuous processes in the environment and put it into technical use. These processes are often promoted especially from the Sun. Renewable energy replaces traditional fuels in four areas: electricity generation, hot water heating, engine fuels, and rural independent power systems.
With 9 clean energy sources for future use
1. Fuel cell.
This is a technique that can provide human energy without emitting CO2 or other toxic waste. A typical fuel cell can generate direct electricity by reacting hydrogen and oxygen. Hydrogen can be obtained from many sources such as natural gas, methane from organics waste and from non-burning so they do not have toxic emissions.
2. Solar energy
Solar power transmission.
3. Energy from the ocean.
This is an extremely rich source of energy, especially in large marine areas. Waves and tides are used to spin turbines. Power sources can be used directly for marine equipment such as lighthouses, buoys, wharves, navigation systems
4. Wind power
Wind energy is considered to be a great source of green energy, abundant and available everywhere. One could use wind to spin the turbines.
5. Vegetable waste oil used to drive cars
Vegetable oil when discarded, if not utilized, will cause great waste and pollute the environment. To overcome this situation, a Japanese company called Someya Shoten Group in Sumida Prefecture in Tokyo has recycled these oils for soaps, fertilizers and VDF oils without sulfur oxide residue. From black waste to only one third compared to traditional oils.
6. Energy from snow
Japan's Bihai Natural Energy Research Association has succeeded in applying snow to freeze warehouses and air conditioners in buildings in hot weather. According to this project, snow is stored in warehouses to keep the storage temperature from 0oC to 4oC. This is the ideal temperature for preserving agricultural products, thus reducing production costs and reducing production costs.
7. Energy from bio-fermentation
This energy source is generated by the bio-fermentation of domestic waste.
8. Geothermal energy
This is the source of energy deep in the heart of the islands, volcanoes. This source of energy can be obtained by draining hot water from thousands of meters underground to run an electric turbine.
9. Methane hydrate
Methane hydrate is considered to be a potential source of deep underground energy, white as ice, the culprit for gas congestion, and is known as "ice can burn". Methane hydrate is a crystalline substance composed of water and methane, which is stable at low temperatures and high pressures, most of which are found beneath the permafrost and deep layers beneath the Great Depression. Positive and a good substitute for oil and coal.

The advantage of this energy source is that it is clean, available in nature, polluted, not exhausted and is the best solution to save fossil fuels for the future.

refer

1,  It is coal , oil , hydro power......

2,Type of energy sources will be used in the future is solar energy , wind energy...

1, What are the main sources of energy in Viet Nam?

=> It is coal , oil , hydro power......

2, What type of energy sources will be used in the future?

=> Type of energy sources will be used in the future is solar energy , wind energy...

1.How many types of energy sources are mentioned in the text? What are they?

Two. They are renewable and non-renewable.

2.What are the disadvantages of hydro and nuclear power?

Hydro power is limited because dams cannot be built in certain areas. Nuclear power is dangerous.

3.Why do you think the wind and the sun are called alternative sources of energy?

Because they are natural sources of power and we use them instead of non-renewable sources to get the electricity we need.

4.What types of energy does Viet Nam use most?

We use non-renewable sources of energy the most but we are increasingly using hydro power.

5.What does the professor think Viet Nam will use more in the future?

He thinks Viet Nam will use the wind and the sun as alternative sources of energy in the future

Traffic jams have appeared in many places of our country. So in the future, many interesting means of transport will be born by humans.

My dream means of transport is skycycling. In my opinion, it will br powered by solar energy and wind energy to avoid pollution and save fuel. Two people can sit on it. We can use it anytime and anywhere. It's won't take a lot of space. I think it will look a big tube. People will pedal to move tubes in skyrails. With the use of morden techndogy, skycycking will be able to help us many things and it will make our life become better. Skycycling will be able to avoid traffic jam, pollution and it help us comtemplate sky more clearly.

And in the future, I hope people will make skycycling is the same as my dream.

Lê Nguyễn Việt Hương bạn tự làm à

In the future, there will be high-speed train. The train will go around the city. It’s driverless train. It will use electric and solar-powered. It will look like an airplane without wings. It will help people to travel faster and safer.

Energy is fundament to human beings.We have 2 energys:renewable energy and non-renewable energy.Now,we use and used the non-renewable energy.It like:Coal,natural gas,....But it is make a lot of smoke.So in the future,we will use nenewable energy.Like biogas,it is used for cooking and heating,but also provide energy for public transport.Moreover,it is made from plant waste and animal minute.Is almost nothing.