How the world's rivers are changing

The way rivers function is significantly affected by how much sediment they transport and where it gets deposited. River sediment—mostly sand, silt, and clay—plays a critical ecological role, as it provides habitat for ...

Wildlife–human conflicts could shift with climate change

As natural areas become increasingly fragmented, the potential for humans and wildlife to interact is growing. Now, researchers from Japan have found that climate change is altering the risk of such interactions.

Is there an upside to today's high gasoline prices?

Pulling up to the pump these days requires a major financial commitment, what with the national average price of gasoline at close to $5 per gallon—and over $6 in California. But while higher gas prices take a bigger bite ...

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