The Desert Sun reports that the Center for Biological Diversity recently filed a petition with the state's Fish and Game Commission for protection of the Western Joshua Tree from climate change by listing it as a threatened species under the California Endangered Species Act. The news article provides scientific and political background on the issue. The Commission has 10 days to certify the petition and send it to the Department of Fish and Wildlife, which then has 90 days to provide an initial recommendation. Here is the LA Times story on this topic.