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What's the Bureau of Land Management going to do about invasive species on public lands?

If we don't remove this now, what is it going to look like 10 years from now?

It's Thursday, October 3 3rd and you're listening to

Science Friday. I'm Seyfripe producer D. Peter Schmidt. The Bureau of Land Management has a big

job, maintain 245 million acres of public land, and protect the

wildlife that lives there. But invasive plants are holding back some of these efforts.

And BLM recently approved the use of seven new herbicide six of these

erebicides, and BLM recently approved the use of seven new herbicides to kill these invasive species on public land.

That's been controversial among some groups that say

these herbicides could do the opposite of what they hope, damaging native wildlife.

Guess how Santa Rothschild has that story and after that we'll talk about the surprising physics

hidden in one of Van Gogh's most famous paintings.

Joining us to talk about this story is my guest, David Condos,

Southern Utah reporter for Public Radio Station

K-U-E-R based in St George, Utah.

David, welcome back to Science Friday.

Oh, thank you, Anna.

Glad to be here.

Okay, David, so give us a bit of context here.

How many acres of land might be sprayed with these

herbicides and in which states? Yeah so when you're talking about the Western US there

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