Page 9 - Environmental_Green Technologies

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Furthermore, the second main generation way of solar energy is the concentrated solar power (CSP),
which uses mirrors installed in fields of mirrors in order to concentrate solar rays and redirect them to
a tall thin tower (SEIA, 2019).

- Wind – The wind is a free, clean and available renewable energy source. The wind turbines permit to
harness the power of the wind and turn it into energy. There are two types of installations, the offshore
and onshore. The offshore wind turbines are usually located on the continental shelf and being larger than
the land-based turbines, they can generate more power. The wind produces electricity throughout the
kinetic energy created by air in motion, which rotates the turbines and turns into energy (IRENA, 2019).

1.3 IRENA – International Renewable Energy Agency

The International Renewable Energy Agency (IRENA) is an intergovernmental organization that promotes
the renewable energy transition and encourages governments to adopt policies that enable renewable
energy investment, accelerate renewable energy deployment, technology and knowledge sharing and pro-
vides practical tools and policies advice, among others. In addition, IRENA serves as a platform for interna-
tional cooperation and repository of technology, resource, policy and financial knowledge about renewable
energy. There are 161 member countries actively engaged. IRENA has a leading role in the energy transfor-
mation (IRENA, 2019).