Arizona: Trees, animals stressed

Randy Babb, a biologist with the Arizona Game and Fish Department, offers the Gambel’s Quail as Exhibit A on the impact of the state’s drought. The birds forage on winter annuals that contain a chemical similar to estrogen. In dry years, when those plants are sparse, quail hens lay fewer… Continue reading

  SCIENCE VOL 316 25 MAY 2007 Model Projections of an Imminent Transition to a More Arid Climate in Southwestern North America Richard Seager, et al SUMMARY — How anthropogenic climate change will affect hydroclimate in the arid regions of southwestern North America has implications for the allocation of water… Continue reading