Builds and places weatherproof boxes to be used for the free exchange of books.

A Chicago company which advises on how better to manage the price of the commodities which are sold, handled or used on a regular basis through a fully integrated hedge program. Useful weather, news and market price information on the site.

Agriculture portal. Industry-related chat, classifieds, calendar, news, market, weather, exchange, careers, links to both business- and science-oriented resources. Mostly U.S. content.

Designer, manufacturer and supplier of environmental monitoring solutions, with emphasis on fire weather systems, watershed monitoring, meteorological monitoring stations and precipitation sensors.

News and information about agriculture and rural living. Updates each weekday, in-depth features, weather, and reviews of the best related sites on the Internet.