NRCS conservationists working with a landowner in eastern South Dakota.

The World Resources Institute

This directory "enables users to search for country-specific experts in a wide range of ecosystem disciplines. It includes hundreds of expert profiles from environmental organizations around the world, including the International Union for Conservation of Nature (IUCN), the Ecological Society of America, and the Millennium Ecosystem Assessment's Sub-Global Working Groups."

Livestock and Poultry Environmental Learning Center.

A listing of cooperative extension experts in manure nutrient management, manure storage and handling, manure treatment technologies, etc., including water quality protection aspects.