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Gateway Arch / Emerald Ash Borer
9:45 am
Thu March 8, 2012

Park Service to remove ash trees from Arch grounds

Credit (David Cappaert, Michigan State University)
An adult emerald ash borer.
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By and

Nearly half of the trees on the grounds of the Gateway Arch will be removed and replaced with a different species.

The National Park Service said Thursday that more than 900 Rosehill ash trees will be taken out over concerns about the threat posed by the Emerald Ash Borer, a beetle that has killed millions of ash trees in 15 states. Officials at the Arch say the ash trees on the grounds are also showing signs of decline from urban factors like air pollution and less than ideal soil.

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The Salt
9:36 am
Wed March 7, 2012

Farmers Face Tough Choice On Ways To Fight New Strains Of Weeds

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Credit Adam Cole / NPR
Credit Adam Cole / NPR
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By Dan Charles

Originally published on Tue March 6, 2012 11:01 pm

OK, so this story is about weeds and weedkillers, neither of which is ever the hero of a story, but stay with me for a second: It's also about plants with superpowers.

Unless you grow cotton, corn or soybeans for a living, it's hard to appreciate just how amazing and wonderful it seemed, 15 years ago, when Roundup-tolerant crops hit the market. I've seen crusty farmers turn giddy just talking about it.

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