Additionally, investors can also play the rising growth in renewables through clean energy sector-related ETFs. For starters, the Guggenheim Solar ETF (NYSEArca: TAN) and the Market Vectors Solar Energy ETF (NYSEArca: KWT) track global solar photovoltaic panel producers. The First Trust Global Wind Energy Fund (NYSEArca: FAN) focuses on the wind industry. [Clean Energy ETFs: Wall Street Pledges To Raise Investments]

ETF investors can also track the broader green energy industry through the PowerShares WilderHill Clean Energy Portfolio (NYSEArca: PBW) and First Trust NASDAQ Clean Edge Green Energy Index Fund (NasdaqGS: QCLN), which both track broad exposure to U.S. clean energy companies, including solar photovoltaics, biofuels and advanced batteries.

Additionally, the Market Vectors Global Alternative Energy ETF (NYSEArca: GEX) and PowerShares Global Clean Energy Portfolio (NYSEArca: PBD) cover global clean energy companies. [Renewable Energy ETFs Look Like a Good Long-Term Play]

For more information on socially responsible investments, visit our socially responsible ETFs category.

Max Chen contributed to this article.