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Fall 2023

Climate change

Fall 2017

Shifting waters

On the south end of Puget Sound, where I lived for a number of years, water surrounds Olympia: Black Lake, Budd Bay, Capitol Lake, inlets, rivers, and creeks. It’s part of the picturesque scenery that I enjoyed daily, until I saw a half-submerged SUV at an intersection. The storms of 2007 flooded some streets, not to mention covering I-5 just south in Centralia. Water had become an unexpected hazard.

We can expect even more heavy storms and major floods, especially in the Midwest and Northeast, as the climate changes. Floods that were once seen every 20 years are projected to happen as much as … » More …

Thumb: King tide at the Embarcadero, San Francisco. Photo Mike Filippoff
Fall 2017

Waves of the future

When the tides are high in parts of San Francisco, Charleston, and Miami, city streets experience an odd new kind of flooding that happens even on bright, sunny days.

In San Francisco’s Embarcadero district, king tides caused flooding between Mission and Howard Street last winter. Seattle’s Georgetown and South Park neighborhoods have experienced sewer back-ups into streets and basements after large storms.

These are quite literally waves of the future, confronted by Hope Hui Rising and her students at Washington State University. They are working on the front lines of sea level rise, developing urban design strategies to help communities adapt.

As the oceans … » More …

Fall 2017

Plant for the future

Somewhere in the dryland wilds of eastern Washington, Michael Neff and his wife stop the car.

“I’ve always wanted to hike these dunes,” he says to her. “I could not believe the grasses that were stabilizing those dunes!” Neff says later. He refuses to identify where, exactly, the dunes in question are located. “It’s those little pockets of diversity that we need to identify and preserve,” he explains, almost—but not quite—apologetic.

Trained as a botanist and now a professor of molecular biology at Washington State University, Neff expands on why this is important: “If we’re going to be resilient in the face of climate … » More …

Fall 2017

Exodus: Climate and the movement of the people

Vast swaths of forests in western North America are dead or dying, killed by pine bark beetle. The beetles have been there all along, but prolonged droughts reduced the trees’ ability to defend themselves from the inner bark-munching bugs.

The western slopes of the Sierra Nevada range in California have been especially hard hit by the depredation, just as people who made money in Silicon Valley sought to move their families out of the choked cities and up into the beautiful mountain forests. Now, to mitigate risk of catastrophic fire and the further spread of pests such as bark beetle, landowners must cut down … » More …

Zeroing in on critical zones
Spring 2017

Zeroing in on critical zones

For almost half a century, scientists have been measuring carbon dioxide in the air two miles above sea level in the middle of the Pacific Ocean. At first, Charles David Keeling counted 310 parts of carbon dioxide for every million parts of air. When he died in 2005, the number was 380. On May 9, 2013, the number topped 400, “a milepost,” wrote National Geographic’s Robert Kunzig, “on a far more rapid uphill climb toward an uncertain climate future.”

We might get wistful over the elegance of what is now known as the Keeling number: a solitary data point, like the Dow Jones industrial average, … » More …