• Spring Tree Walk in Rock Creek Park

    Peirce Mill 2401 Tilden St NW, Washington DC, United States

    (DC) (Casey Trees) Join us and nature book author Melanie Choukas-Bradley for a three-hour tree walk along scenic Rock Creek and through the upland woods of the Western Ridge Trail. Melanie will show you how to identify American hornbeam, American elm, river birch, American sycamore, boxelder, black walnut and other stalwarts of the floodplain forest. She’ll then lead us into ...

  • What Trees Remember: Climate, Water, and Change (Virtual)

    (MD) (Natural History Society of Maryland) Trees are invaluable record-keepers of the past. Since their annual growth is intrinsically related to a combination of environmental factors, tree ring data can be used like a Rosetta Stone. Dr. Karen King will demonstrate how her research in biogeography and climate change is informed by tree-ring data. We will focus on regional examples from western Maryland to learn what tree rings ...

    Free – $5