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Shared Enterprise Geodata and Services (SEGS) provides an EPA-curated collection of recommended geodata assets that are nationally relevant and support the Agency’s mission to protect human health and the environment. By connecting EPA users with curated datasets and promoting service reuse, SEGS aims to enhance information access, reduce data-storage costs, and improve the consistency and quality of data at the US EPA.
Developed by the U.S. EPA Office of Air and Radiation, this content item depicts trends in the timing of first bloom dates in lilacs and honeysuckles across the contiguous 48 states. Blue circles represent later bloom dates, and red-orange circles represent earlier based on Schwartz 2021. For more information, please visit the U.S. EPA climate change indicators webpage. These data and their corresponding metadata records can be downloaded from the EPA Environmental Dataset Gateway (EDG).