1. Renewable energy : advantages and drawbacks

2. Renewable energy : advantages and drawbacks
The current company is a large energy consumer. We distinguish three main needs:
Electricity: Electricity is an energy source widely used in everyday life. However, to generate the electricity we need to turn to alternative energy sources. The main energy sources used to generate electricity are fossil fuels, nuclear power, hydropower, solar, wind, etc..
Mobility: In fact, our means of locomotion need a lot of energy. At present, the main source of energy used to move from fossil fuels and petroleum products.
Heating: Heating is essential to ensure a minimum level of comfort. There are several types of heating: electric, gas, wood, oil, etc.
The energy needs of humans are constantly increasing, or certain energy resources are limited and polluting at different scales. However, there are unlimited and non-polluting natural energies are renewable energy

3. Solar → The sun is an inexhaustible source of renewable energy.
All renewable energy
Solar → The sun is an inexhaustible source of renewable energy.
Wind → The wind is a renewable energy.
Biomass → Biomass is a renewable energy directly produced by the plant material.
Geothermal → Geothermal energy is thermal energy generated by the earth's core.
Water → Tidal forces create renewable energy

4. All renewable energy
Provided by the sun, the wind, the heat of the earth, waterfalls, tides or plant growth, renewable energy or do not generate little waste or emissions. They participate in the fight against the greenhouse effect and CO2 emissions in the atmosphere, facilitate rational management of local resources, generate employment. Solar, hydro, wind, biomass, geothermal energy are inexhaustible flow versus "energy stock" from deposits of fossil fuels increasingly scarce oil, coal, lignite, natural gas.
The sun, the wind, tides, geothermal energy and biomass are renewable energy

5. Energy by icons (non-renewable energy)
We will present the different types of energy by icons. Green Icons represent renewable energy, red icons, non- renewable energy and blue icons energies considered renewable, but require management consumption thresholds
Nuclear power
The oil.
Coal
Natural gas

6. Energy by icons (non-renewable energy)
- Nuclear power uses the radioactivity of some elements to produce energy. This technique only needs very little raw material to produce a large amount of energy. The reserves are therefore not threatened. By cons, it has a significant environmental risk, because nuclear energy is also producing many radioactive wastes, extremely poisonous.
- The oil is one of the non-renewable fossil fuels. Fossil fuels were formed from organic residues of prehistoric plants and animals.
- Coal is one of the fossil fuels
- Natural gas is one of the fossil fuels.

7. Energy by icons (« special » energy)
The wood
Water

8. Energy by icons (« special » energy)
- The wood could be considered a renewable source of natural energy. However, if consumption exceeds production, reserves diminish. The wood is also used in other fields such as carpentry and forests are essential to the environmental balance of the planet, the wood is not considered a renewable energy.
- Water is also in principle renewable energy. However, the current balance on the water is rather negative, because it is an essential element in the life of any organization. Today, we already have many treatment plants to ensure adequate supplies of drinking water.

9. Energy by icons (renewable energy)
Sun
Wind
Tides
Geothermal energy
Biomass

10. Energy by icons (renewable energy)
-The sun is an inexhaustible source of renewable energy because the solar panel is a known solution and is widely used. Measures such as tax credits could boost their use. Solar energy has the main advantage of having a high yield can cover up to 50% of energy needs in temperate zones, and suitable for even the most remote places
-The wind is a renewable energy. The wind and the small wind turbine for gardens are gradually used, but rather slowly.Wind energy is the very definition of what can be called clean energy, without rejection and without waste. With a good coefficient of performance, it also provides a very good energy independence.
-Tides: tidal forces create renewable energy.
-Geothermal energy is thermal energy generated by the earth's core. Geysers are natural examples.
-Biomass is a renewable energy directly produced by the plant material.The biomass energy has the advantage of emitting quantities of greenhouse gas emissions are relatively low and also lower in volume with carbon dioxide as wood caught in her lifetime. In addition it is relatively cheap and contributes to local development.

11. Among the advantage s of the use of renewable energy include:
Increasing the power generation ,
Job creation in this sector,
The protection and conservati on of the environme nt (managem ent of greenhous e gas emissions and climate change)
More economica l,
Inexhausti ble resources

12. Among the drawbacks of the use of renewable energy include:
The price,
Disturbance of the ecological balance,
Visual impact (wind)
Fragile systems (solar panels),