What are the four types of renewable energy currently being utilized from the ocean?

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Then, is the ocean a renewable resource?

That's because life in the oceans is a renewable resource. Unlike oil or other mineral resources, which come in limited supplies, ocean life renews itself. In fact, 82 marine species are at risk of extinction in North America alone.

Subsequently, question is, what are the different form of energy available in Ocean? The ocean can produce two types of energy: thermal energy from the sun's heat, and mechanical energy from the tides and waves.

Keeping this in view, what are different methods to obtain energy from sea?

There are three basic types that allow us to use ocean for its energy. We can use the waves (wave energy, wave power), ocean tidal power (ocean high and low tides), and we can even use temperature differences in the water to create an energy (Ocean Thermal Energy Conversion, OTEC).

What is Ocean Renewable Energy?

Renewable. The oceans represent a vast and largely untapped source of energy in the form of surface waves, fluid flow, salinity gradients, and thermal. Ocean current turbines in areas of strong marine currents; Ocean thermal energy converters in deep tropical waters.