Biodiversity resurgence in effluent-fed desert riverbeds

Nearly 70 years after the historic downtown reach of the Santa Cruz River ran dry, water returned in the form of 2.8 million gallons of reclaimed water released daily through the City of Tucson's Santa Cruz River Heritage ...

NASA image: Rim Fire update Sept. 9, 2013

Inciweb.org updates the Rim Fire with this information: "Firefighters will face continued hot and extremely dry conditions. Shifting winds coupled with low humidity will provide conditions for active fire behavior. Pockets ...

45 reasons the Great Barrier Reef is in trouble

When the managers of the Great Barrier Reef recently rated its outlook as very poor, a few well-known threats dominated the headlines. But delve deeper into the report and you'll find that this global icon is threatened by ...

Wind spreads California fire as other states battle blazes

A massive wildfire in rural Northern California has exploded in size and forced evacuations in hot, dry weather that is sweeping through several western states where blazes are threatening thousands of homes.

Locating poor air quality in cities

People in big cities breathe bad air. Bad air that consists of particulate matter and other pollutants, which pose health risks to urban citizens. Researchers led by Dr. Martin Ramacher of the Hereon Institute of Coastal ...

NASA image: Wildfires persist in California

Several fires are currently raging in central and northern California. These fires can be seen in this natural-color Terra satellite image taken by the MODIS instrument on August 18, 2013.

Florida surpasses a grim milestone: One thousand dead manatees

Since July, every weekly update from state wildlife officials has set a new record for the most manatee deaths counted in a single year. On Wednesday, Florida crossed an especially tragic threshold: More than 1,000 manatees ...

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