Green energy
Renewable resources are replenishing natural flows such as water, sunlight, wind, biogas, tides and waves, unlike finite coal, petroleum, natural gas and nuclear minerals.
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Green Energy: Renewable and Non-Renewable Energy Resources
Renewable resources are replenishing natural flows such as water, sunlight, wind, biogas, tides and waves, unlike finite coal, petroleum, natural gas and nuclear minerals.
Open article →Green Energy: Hydropower from Running Water
Hydropower harnesses running water to generate electricity at relatively low operating cost and pollution, with output that can respond quickly to demand.
Open article →Green Energy: Solar PV, CSP and Applications
Photovoltaic cells convert light directly into electric current, while concentrated solar systems focus sunlight for useful energy across homes, institutions and industry.
Open article →Green Energy: Wind Turbines and Tamil Nadu
Wind turbines convert airflow into electricity without operational greenhouse-gas emissions, while India's 1986 coastal programme included Thoothukudi in Tamil Nadu.
Open article →Green Energy: Biomass from Organic Waste
Animal dung, kitchen waste, water hyacinth, crop residues and city waste can supply clean, cheap bioenergy, especially for domestic needs.
Open article →Green Energy: Tidal and Wave Energy Sites
Ocean tides and waves are two marine energy sources whose practical use depends on suitable coastal geography, illustrated by Indian gulfs, Vizhinjam and island sites.
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