Texas could become the nation’s leader in clean-coal technology, with the Texas Commission on Environmental Quality recently giving its approval to three such projects. The powerplants, though, face some opposition from neighbors opposed to the new coal plants—clean or not. Map: Sue Pearsall for ENR Three clean-coal projects are estimated at nearly $8 billion in construction costs. On Dec. 14, the TCEQ gave an air-quality permit to Omaha, Neb.-based Tenaska Trailblazer Energy Center, allowing it to build a 600-MW, $3.5-billion clean-coal powerplant in Penwell. On Dec. 29, the state agency granted an air-quality permit to the Summit Power Group of
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.