High temperatures and salinity concentrations along the Texas Gulf Coast are behind a toxic red tide, fish kills, and an influx of oyster parasites. Additionally, several saltwater species have been found upstream, surviving in a typically freshwater environment and signaling a large change in these delta ecosystems.

Shale gas test drilling likely triggered two minor earthquakes in northwestern England earlier this year, according to a a new report commissioned by Cuadrilla Resources, a private United Kingdom-based energy company.