<p>Jianjun Yin, UA associate professor of geosciences, led a study that identified the reason for the spike in global temperatures during the record warm years of 2014 to 2016.</p>
<p>Benjamin T. Wilder, director of the University of Arizona Desert Laboratory on Tumamoc Hill, and Ben Johnson write about the freshwater springs of the Gran Desierto region of the Sonoran Desert. This article is part of the ninth edition of the Arizona Daily Star's annual science section, written by staff and scientists from the College of Science.</p>
<p>With $60,000 awarded, the 2018 cohort focuses on water, health, climate and other issues related to the environment and social justice to improve the quality of life for people in Arizona and around the world.</p>
<p>December precipitation ranged from average to much-below average across most of Arizona, with record-dry conditions along the western edge of Arizona. Above-average temperatures and below-normal precipitation are reflected in the expanding areas of drought designation in the Jan. 17 U.S. Drought Monito, with Arizona documenting increases in extent and intensity of drought since the December outlook.</p>
<p>Those who worry about the Earth's animals and plants are more likely than others to experience stress — and even depression — related to climate change, UA researchers found.</p>