By Carolyn Cowan The energy sector is the single largest source of human-caused greenhouse gas emissions, spurring plans the world over to transition the sector away from fossil fuels and toward renewables. While decarbonization plans by some of the world’s top emitters have generally been welcomed, energy experts say decision-makers must take care while designing decarbonization strategies to fully consider the unintended social and ecological consequences of rapidly scaling up renewable infrastructure. “If we think of any major technological change, they always have costs and unintended cons…