Steven Chu, who will step down from his post as Energy secretary, made renewables a centerpiece of his tenure. While advances in wind and solar garnered praise from Democrats, Republicans excoriated Steven Chu and the Obama administration when clean-energy investments backfired.
Across the US Midwest, homeowners are restoring their yards and former farmland to the native prairie that existed in pre-settlement days. The benefits can be substantial - the need for less water and no fertilizer, and an ecosystem that supports wildlife.
By Rebecca Kessler,
Yale Environment 360, for CSMonitor