In front of the United States Geological Survey (USGS) national headquarters building in Reston, Va., two genetically identical lilac bushes are rooted in the earth. To casual observers, they are fragrant adornments to the landscaped property. But to ecologist Jake Weltzin and geographer John Jones—USGS scientists who study plant and animal life-cycle events—they are “Li” and “Lac,” two small but important pieces of a developing climate change indicator system.
PostedDec 11, 2012
Oceans, Physical Climate, Coasts, Ecosystems & Biodiversity, Carbon Cycle, Indicators, Human Health, Adaptation
A new EPA report brings together data from multiple public and peer-reviewed datasets to show observed changes over time in 26 indicators of climate change – including measures of greenhouse gases , high and low temperatures, heavy rainfall, snowfall, pollen season and sea level rise.