Clean Edge，the world’s first research and advisory firm devoted to the clean-tech sector，delivered Clean Energy Trends 2014 as an annual report. This report reviews the development of global clean energy markets in 2013 including sectors of solar，wind power，biofuels，green buildings，hybrid and electric vehicles. This report projects that the combined clean-energy sectors of solar photovoltaics，wind power and biofuels will continue to grow over the next 10 years，expanding from MYM247.6 billion in 2013 to MYM397.9 billion in 2023. This report also selects the most important trends，which includes enlightened utilities beginning to embrace distributed energy assets，that cities lead climate change by focusing on regional carbon reduction，net zero energy buildings gaining ground，internet-enabled clean-tech startups defining a new sector and vertical farming sprouting in cities around the world.