New 'forever chemical' cleanup strategy discovered

As the U.S. Environmental Protection Agency cracks down on insidious "forever chemical" pollution in the environment, military and commercial aviation officials are seeking ways to clean up such pollution from decades of ...

How wildfires change soil chemistry

The huge, long-lasting wildfires that have become increasingly common in recent years can cause changes in soil chemistry that affect water contamination, air quality, and plant growth. But these changes are poorly monitored ...

Brazil flooding death toll surpasses 100

The death toll from devastating floods that have ravaged southern Brazil for days surpassed 100 on Wednesday, authorities said, as the search for dozens of missing people was interrupted by fresh storms.