The Globe and Mail JOEL SCHLESINGER Published December 10, 2020 Scar1984/iStockPhoto / Getty Images Keen investor interest in the renewable energy sector has sent exchange-traded funds that cover it soaring this year. Several climate-friendly government stimulus programs are driving enthusiasm for green energy ETFs, says Daniel Straus, director of ETF and financial products research at National Bank Financial Inc. He describes President-elect Joe Biden’s climate-friendly policies, in particular, as a “tailwind behind solar, wind and other green investment.” Story continues below advertisement Prices of some pure-play clean energy ETFs have posted triple-digit returns so far this year, with Canadian companies among their top holdings.