Head to San Francisco for the 15th Global Warming International Conference and Expo on April 20-22. Sessions will range from "Climate Change Mitigation" to "Extreme Events and Impacts Assessments" to "Agricultural and Forestry Resources Management."

The Upper Green River Valley Coalition is sponsoring a conference in Pinedale, Wyo., on March 26-27. "Wells, Wildlife and Quality of Life: Striking a Balance in the Upper Green River Valley" will include field trips, overflights and panel discussions exploring how the proposed 10,000 new gas wells will affect Wyoming’s residents, wildlife and future.

The Yosemite Association is holding its first annual Yosemite Birding Festival from April 23-25. The festival will include workshops and field trips as well as talks on the natural history and wildflowers of Yosemite.
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