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EPA’s National Stormwater Calculator (SWC) is a desktop application that estimates the annual amount of rainwater and frequency of runoff from a specific site anywhere in the United States (including Puerto Rico).
The Xerces Society advocates for invertebrates, including pollinators, as a necessary part of a healthy ecosystem.
Scientists conduct cutting-edge research on genetics and climate change across various elevation gradients in northern Arizona.
New England Wild Flower Society has released the "State of the Plants" Report, the most comprehensive assessment of New England plant communities ever assembled.
With 10% of trees (>8,000 species) threatened with extinction there is an urgent need for botanical gardens to protect threatened trees in dedicated conservation collections.