A paleoclimatology tool is shown to give false positives

A popular tool to trace Earth’s oxygen history can give false positives From the GEORGIA INSTITUTE OF TECHNOLOGY and the “settled science” department: For researchers pursuing the primordial history of oxygen in Earth’s atmosphere, a new study might sour some “Eureka!” moments. A contemporary tool used to trace oxygen by examining ancient rock strata can…

Kagoshima cityscape against the background of Sakurajima volcano. Japan, East Asia

Climate change to make volcanoes more climate disruptive

From the NATIONAL CENTER FOR ATMOSPHERIC RESEARCH/UNIVERSITY CORPORATION FOR ATMOSPHERIC RESEARCH and the “It’s models, all the way down” department. Future volcanic eruptions could cause more climate disruption Climate change reduces oceans’ ability to buffer impacts BOULDER, Colo. — Major volcanic eruptions in the future have the potential to affect global temperatures and precipitation more dramatically…

Ancient asteroid collision put Earth in the freezer

From AGU: Dinosaur-killing asteroid impact may have cooled Earth’s climate more than previously thought WASHINGTON D.C. — The Chicxulub asteroid impact that wiped out the dinosaurs likely released far more climate-altering sulfur gas into the atmosphere than originally thought, according to new research. A new study makes a more refined estimate of how much sulfur and…

New tool in tracking climate change: bat poop

From the UNIVERSITY OF SOUTH FLORIDA (USF HEALTH) and the “bat signal” department comes this story about crap science paleo-guano. Bat Poop: A Reliable Source of Climate Change People have long known that bat guano – the polite term for what the flying mammals leave on the floors of caves where they live worldwide – is a…