23
Dec

Final Walden Biodiversity Report

My final summary report on the groupings of organisms and the people who found them during Walden Biodiversity Days in 2009 and 1998 is finished and…

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25
Nov

Berry Bad Guests: Invasive Aliens at the Dinner Table

In the run-up to Thanksgiving this week Shannon Mullen of National Public Radio interviewed me and Martha Stewart about Oriental Bittersweet, one of the most aggressively…

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14
Jun

Walden Biodiversity Day

On July 3rd and 4th I'll be leading the second Walden Biodiversity Day, a gathering of top naturalists and field biologists — many of whom participated…

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25
Sep

Return to Mazatlan

I'm returning to my roots in January 2009 with a series of tours out of Mazatlan, Mexico before, during and after the new Mazatlan Bird Festival.…

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26
Dec

Have a Great 2008!

Here it is: I've written my first holiday letter since the Sox and Patriots started winning series and super bowls! Among many highlights of the year,…

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17
Jan

Nature Deficit Disorder

Americans seem to know less and care less than ever about the natural world in their environs. As evidenced by the popularity of “action-oriented” nature shows…

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19
Dec

The Invasive Alien Plant Crisis

A rash of new trees, shrubs, vines, creepers, wild flowers, grasses and fresh water aquatic plants are in the process of taking over vast areas of…

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