May 2020

climate change glacier alaska magazine cover

Cover design by Thomas Gaulkin. 

In this issue, we focus on the undeniable physical impacts of a changing climate and why that physical evidence can’t reasonably be explained, except as a result of warming caused by greenhouse gas emissions. 



Known as pyramid tents or Scott tents, they’re essentially the same tent design used by the original polar explorers a hundred years ago, capable of withstanding winds of up to 70 miles per hour. “They’re just so good, they got the design perfect,” says the author. Image courtesy of Peter Davis.

Peter Davis of the British Antarctic Survey on changes in the Thwaites Glacier

A top oceanographer describes the obstacles that must be overcome to get data on climate change from the front lines.
The Alaska National Guard has been used to fight extensive Alaskan wildfires. (Photo by Sherman Hogue/Fort Wainwright Public Affairs Office.)

Brian Brettschneider: How climate change has already arrived in the Arctic

An International Arctic Research Center scientist describes record-low sea ice, unprecedented wildfires, and altered tree lines, glaciers, and vegetation.
A forest test plot, where snow was removed to see the effects of the lack of this insulating blanket. (Image courtesy of Pamela Templer.)

Shorter, warmer winters, less snow. What next? Q&A with biologist Pamela Templer    

The record is clear: more rapid freeze-and-thaw cycles, less carbon retention by the soil, less forest productivity, more damage to tree roots, and fewer New England sugar maples

How we know the Earth is warming and humans are responsible

A summary of the evidence underlying what has been described as a “knowledge-based consensus.”
Hampton Roads. (Photo by Copernicus Sentinel-2, ESA.)

Sea level rise and beyond: Is the US military prepared for climate change?

How climate change has already played economic and physical havoc with US military bases
One conception of using lasers to power a spacecraft. (Image courtesy Breakthrough Initiatives at:

Reaching for the stars: The case for cooperative governance of directed energy technologies

Privately funded Breakthrough Starshot is already working on a laser propulsion system to carry nanosatellite Star Chips to the nearest star system

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