climate change

robertfinkelstein.wordpress.com

Two scientists say global warming is shrinking the most important waterway in the American Southwest and could reduce its flow by more than a third by the end of the century.

Derek Shields/myurbanfarmscape.com

Kids love to play in the dirt. So Flagstaff ecologist Anita Antoninka is channeling that love into learning… using it as a way to teach kids about the effects of climate change on the earth’s biocrust. Today, she’s working with a seventh grade science class at Northland Preparatory Academy to see how a warming planet affects moss.


Don Davis/NASA

Scientists are dismissing a popular theory about mass extinction since the last ice age. The Younger Dryas Impact Hypothesis contends an asteroid hit Earth 13,000 years ago changing the climate instantly and dramatically. Scott Anderson, a paleoecologist at Northern Arizona University, is part of an international research team that looked for evidence to support this explanation, but didn't find any.


Michael Collier

Climate experts tell us our planet will get warmer and sea levels will rise, and extreme weather will occur more often and with greater intensity. They predict that some places will get wetter and others more arid, that ice will melt and currents shift.


Earth Notes: Angel Lichen Moths

Jan 11, 2017
Freshwaters Illustrated

Angel lichen moths take their beautiful name from Bright Angel Creek in Grand Canyon where early specimens were found, and from lichens that the larvae eat. 


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