<p>The supereruption 74,000 years ago did not trigger major environmental disruption that caused human populations in East Africa to decline, UA geoscientists say.</p>
<p>Forecasts favor above-average temperatures and below-average precipitation for the Rio Grande/Bravo Basin through April</p>
<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>