Due to the way stalagmites and stalactites grow, the layers in the middle of these structures
preserve older
environmental information, while those closer to the surface hold clues to the more recent past.
NOAA's National Centers for
Environmental Information (NCEI) is responsible for preserving, monitoring, assessing, and providing public access to the Nation's treasure of climate and historical weather data and i
Information (NCEI) is responsible for
preserving, monitoring, assessing, and providing public access to the Nation's treasure of climate and historical weather data and
informationinformation.