The discussion around the catastrophe in Texas is politically informative but it misses the main point. The strong polar cold that has dipped into the south of North America is a manifestation of climate change. Texans should plan to upgrade their grid and improve the ability of their power sources…


“Geo-engineering holds forth the promise of addressing global warming concerns for just a few billion dollars a year.” Newt Gingrich 2008

“Solar geoengineering solves everything! It’s great! We don’t need to bother to cut emissions.” President Trump 2017

“The main findings are that any implementation of stratospheric geoengineering could end…

Dandelions — a ubiquitous European invasive in North America

“An invasive species is defined as a species that is: 1) non-native (or alien) to the ecosystem under consideration and, 2) whose introduction causes or is likely to cause economic or environmental harm or harm to human health.”

- USDA legal definition

“A thing is right when it tends to…

Graphic from The Conversation

Indelible in my memory is that day that I lost my political virginity. In March 2007 I was just beginning to deliver an invited talk on the science of climate change to a joint committee of the Florida legislature when a conservative senator rose from his seat and called me…

Stephen Mulkey

Environmental scientist and educator; forest and climate change ecologist.

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