Naturalist Joel Greenberg shares his eight favorite natural areas in the Chicagoland region.

Advocates the establishment of an ecological park in the Lake Calumet area and northwest Indiana. Membership application, and views and benefits of this advocacy program are featured.

Includes a transcript of a 1902 report on the area's geology, plus outlines and photos of field trips to points of geologic interest in and around the city.

Alliance of more than 140 public and private organizations working together to protect, restore, study and manage the precious natural ecosystems of the region for the benefit of the public. Mailing list, articles, and biodiversity resources are featured.

Information about training and monitoring activities, including plant surveys, frog monitoring, and important bird areas.

Quarterly magazine that offers news, articles, and features centered around the region's natural wonders. Includes secure subscription form, news of the wild, current issue, back issues' archive, and message board.

Grass-roots coaltion of regional government, business and community organizations. Features advocacy, legislation issues, a smog alert email newsletter, a Midwest HazeCam, air quality index, reports and forecasts and ozone data.

Searchable and browsable catalog of the herbarium collections of the Morton Arboretum, Field Museum, and Chicago Botanic Garden, including photos of many of the plant specimens.