A new study has found that liquid waste from hydraulic fracturing, or “fracking,” that was treated and released into local streams in Pennsylvania still contained elevated levels of salts and other contaminants, which could be dangerous to aquatic life and human health.
U.S. Transportation Secretary Anthony Foxx recently announced that the Federal Aviation Administration (FAA) has selected a team of universities to lead a new Air Transportation Center of Excellence (COE) for alternate jet fuels and the environment.
Will that hybrid vehicle pay for itself and help the environment? That depends on how and where you drive, Carnegie Mellon University researchers report.