California a botanical and climate change hot spot

From coastal redwoods and Joshua trees to golden poppies and sagebrush, California is a global botanical hotspot. It's also a place confronted with extreme heat, wildfires and crumbling coastlines.

Using fire management to see how ticks... tick

The morning alarm goes off, and it's time to get ready for work. Ph.D. student Samuel Gilvarg has already pretreated his clothes with permethrin insecticide. All that's left is to pull his socks up and over his pant legs.

One dead in Colorado blaze as fires ravage US west

One person has died in a Colorado wildfire, officials said Wednesday, as around a hundred infernos continue to blaze across western US states and a dangerous new heat wave looms.

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