The National Hydrography Dataset Plus High Resolution map of waterways, created by the US Geological Survey, is the highest-resolution survey of its kind. With nearly 25 million rivers, streams, pipe ...

A new fire in southern California has exploded from 500 acres to more than 9,000 in just a few hours, prompting new evacuation orders for an area already reeling from blazes that have destroyed ...

In the Arusha region of Tanzania, migrating elephants trample farmland and farmers’ livelihoods. A beehive fence has proved ...