as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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generate a list of five resources a student might use to research a paper on renewable energy sources.
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1. national renewable energy laboratory: the nrel is a leader in the development of renewable energy technologies and the study of their economic and environmental effects. 
2. union of concerned scientists: this website features reports and news about energy policies, technology, and emerging renewable energy sources.
3. alternative energy sources: this website is an encyclopedia of alternative energy sources, featuring a range of topics related to renewable energy. 
4. scientific american: this magazine and website provides reports and news on renewable energy, innovation, and policies. 
5. the international renewable energy agency: the irena website provides an international database of resources, news and events, data and statistics on the growth of renewable energy.
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