Important resources for environmental research abound: Issue overviews, databases, data sets, geospacial tools, etc., created and made available free to the public by the nonprofit and public sectors, as well as subscription-based resources from private publishers. This guide is extensive, but not comprehensive. If you would like to see a resource added to this list, please use the Submit a Site form, above.
KML stands for Keyhole Markup Language. A KML file provides information plotted on a map - many organizations create KML files to show locations of their projects, areas of interest for environmental issues or infrastructure development, etc. For more information, please see https://developers.google.com/kml/documentation/