what are the advantages and disadvantages of non conventional energy sources?
['Inconsistent, Unreliable Supply. ... ', 'Pollution. ... ', 'Harmful to Wildlife and Surrounding Environment. ... ', 'High Cost. ... ', 'Not Every Non-Conventional Energy Source Is Commercially Viable. ... ', 'Location-Specificity Means Lower Chances of Universality. ... ', 'Low Efficiency Levels.']