Citizen Science

Citizen science is the collection and analysis of data relating to the natural world. At our park inventories, citizen science volunteers traverse the city collecting and documenting tree data that will be used to advance the field of urban forestry.

Temperature Study

We will be testing to see if there is a difference between the air temperature under the shade of a tree and in the direct sun. This may seem like …

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D.C. i-Tree Ecosystem Analysis Map

i-Tree is a suite of tools developed by the U.S. Forester Service that allows communities and researchers to calculate the dollar value of their urban canopies. Every five years Casey …

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Live, Work, or Know Someone in Ward Two? Track Seasonal Changes with Us!

The weather is out of whack these days: many fall events are delayed while signs of spring are popping up earlier than expected – and not all species are changing …

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What is Citizen Science and Why it’s Critical to Our Work

Citizen science is the collection and analysis of data relating to the natural world. At Casey Trees our citizen science volunteers traverse the city collecting and documenting tree data that …

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National Parks Service 2018 Award for Group Volunteer Service

While the number one most satisfying thing to us is a lush canopy for all District residents to enjoy, winning the Group Volunteer Award from a critically important federal partner …

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Heat Mapping Study Featured by DCist

Remember when we called for volunteers to help out with a NOAA driven study on temperature difference throughout the city? And then it rained for (what felt like) the entire …

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Registration is Now Open for Fall Plantings and Events!

It’s that time of year again! This fall, we hope to plant and inventory more than 1,500 trees across the District — with your help! Take a look at our …

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We Need Your Help for an Urban Heat Island Study

Are you interested in helping your neighborhood beat the heat? The National Oceanic and Atmospheric Administration (NOAA) is conducting a field campaign to measure and map the urban heat islands …

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Measure for Pleasure! Volunteer with Casey Trees this Spring and Summer

Join us at one of the many classes, workshops and park inventories throughout the District! Whether you want to get your hands dirty, learn more about trees, or pitch in …

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2017 Park Inventories Recap

Did you know we don’t have a comprehensive inventory of the trees on public park lands? Our tree inventories were designed to ameliorate this by using citizen science volunteers to …

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Not All Who Wander Are Lost – They’re Enjoying Our Fall Colors Routes

As we showcased last week, we built a map of the top 5 showy fall color trees in D.C. With this online map, you can now design routes around dense …

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Marking Howard University’s Sesquicentennial

In 1867, nine historically black colleges and universities (HBCU) were founded. One of those is the District’s very own Howard University. In celebration of its sesquicentennial and the legacy of …

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Colorful Leaves = Identifiable Trees

With no humidity in sight and temperatures dropping that means one thing: Fall has finally come to the District! Lucky for us fall brings something other than pumpkin flavored everything …

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Enjoy Fall Without Any Pumpkin Spice: Just Follow Our Foliage Map

Our Technical Services and Research team does some pretty cool stuff throughout the city. One of which is mapping most of the trees! With the data you can do a …

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We’re Partnering with the Anacostia Watershed Society for a Backyard BioBlitz

Help Casey Trees and the Anacostia Watershed Society document our local tree species at this year’s Bioblitz on September 24! How many different tree species inhabit the Anacostia Watershed? We’re …

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