The final mayor of Portland, Oregon, stood on a hill, bundled in opposition to a chilly June breeze. Her title was Wilhelmina Nansen, and she or he was watching the primary day of the demolition of her metropolis. Within the distance, the Cascades blocked the horizon with a mass of snow and ice, punctuated by the jagged spire of Mount Hood. Nearer handy, a fleet of bulldozers puffed smoke into air that hadn’t seen such air pollution in centuries.
The smoke was for present, staged for the hovering holocams and their not-so-stalwart operators, safely ensconced in Tri-V studios someplace within the New Temperate Zone of Brazil or Zaire. These individuals didn’t must put on parkas in June and weren’t about to danger chilblains witnessing in individual a narrative they may extra comfortably cowl from a distance.
The smoke had been the mayor’s thought, and as she watched the large bulldozers belch it, she was happy with her inspiration — so long as the wind didn’t shift. These fumes can be poisonous to something that breathed, but when the wind stayed from the southwest, there was nothing downwind that mattered. Nothing however polar bears and Arctic hares, and there have been loads of polar bears. What actually mattered wasn’t the smoke; it was the carbon dioxide going up with it, because the bulldozers chewed their means by tidy rows of plastic homes.
Not that they had been really bulldozers. They had been automated incinerators that existed solely to destroy, powering themselves from their intensely scorching fires as they searched out homes, roads, factories and deserted landfills to burn — something that held a wealthy retailer of carbon. Technically, they had been known as Save the Carbon Models (Cellular), or SCUMs for brief. The title was a poke within the eye to the acronym-happy vocabularies of the individuals who’d received her metropolis into this hassle so many generations earlier than. She was happy with that, too, although she doubted anybody else caught the irony.
For weeks to come back, the bulldozers — for therefore Mayor Nansen couldn’t assist however consider them — would proceed to work in what had as soon as been a high-class residential space, braving the very snout of the glacier to free as a lot carbon as doable earlier than it disappeared below the ice. However beginning tomorrow, there can be no smoke. There was no sense poisoning the planet if this mission proved profitable sufficient to be launched elsewhere on a bigger scale.
All the idea was her thought, one she’d pushed at each science conferences and mayoral conferences for greater than a decade. Lastly, exasperated, she’d persuaded the town council to raid the street-repair funds to fund this demonstration. “In ten years, there received’t be any streets,” she’d argued. “Let’s give the world one thing to recollect us by.”
To her shock, the council agreed. On the time, Portland nonetheless had 75,000 residents, and funds had been out there. Right this moment, she’d have been begging for a grant from a federal authorities so afraid of creating one other mistake that it not had the desire to do something.
Learn extra science fiction from Nature Futures
The demise of her metropolis had began innocently sufficient centuries in the past with the invention that otherwise-unrecyclable plastics might be moulded into park benches. On the time, there being solely a restricted want for park benches, that was largely a curiosity. Then Hurricane Xanthe blew salt water practically as far up the Mississippi as Memphis, Tennessee. Local weather-change deniers had been caught promoting off beachside trip properties. A robust senator constructed an enormous berm round his personal coastal residence. He claimed it was a privateness display screen, however a staffer leaked tapes of him haranguing the development firm about the necessity to transfer quick, earlier than “the following Xanthe” washed his whole property off the map. Even essentially the most conservative voters had been compelled to confess international warming was actual.
Decreasing emissions was the primary precedence, however that was adopted by discovering methods to take away carbon dioxide from the air and sequester it from ever returning. There was speak of making chemical factories to do that, however nature had lengthy had its personal course of. The one drawback was that biomass finally rotted, releasing its captured carbon again into the air. That, nonetheless, might be prevented, and shortly every part from pulp timber to straw, corn stalks and garden clippings had been being transformed into plastic constructing supplies that would by no means decay. Not park benches, however lumber, pavement, roofing and anything anybody may think about.
It took many years, but it surely labored. International warming stopped, then reversed. Sea ranges dropped and politicians returned to their grandparents’ seaside estates. Bioplastics turned the norm for just about all sorts of building.
No one thought of the opportunity of overshoot till the glaciers began to advance. Even then, they had been sluggish to understand the trigger, not to mention take steps to cope with it: an ideal mirror of how their ancestors had been sluggish to react to international warming earlier than Hurricane Xanthe.
Mayor Nansen remembered, as a toddler, watching Anchorage go below the ice. Quickly it was Juneau’s flip, then Seattle’s, whereas within the heartland, ice sheets forming in Manitoba and Labrador unfold south with sufficient momentum to frighten the residents of Ohio and even Kentucky. Nansen herself wasn’t afraid of chilly — her ancestors got here from Greenland and Baffin Island and she or he appreciated to imagine antifreeze was in her blood. However when the College of Washington closed down and Portland State turned the West Coast’s northernmost establishment of upper training, she returned to high school for a grasp’s diploma in glaciology.
Undergraduate minors in historical past and sociology had already made her a believer within the pendulum idea of human progress. Overshoot, undershoot; overshoot, undershoot. That was the traditional state of human affairs. It was hardwired into the human psyche to not react till the pendulum had moved thus far out of equilibrium that everybody acknowledged the looming disaster … after which pushed it too far the opposite means. Her research additionally satisfied her that politics, not academia, was the path to salvation, so she devoted herself to transferring up the ladder as quick as doable earlier than the place she’d chosen to name residence turned nothing however a sheet of ice.
She was additionally a fan of previous films. Sooner or later, at a movie competition, she watched in awe as a nineteenth-century steam locomotive — already an anachronism on the time it was filmed — curdled the air with a plume of black smoke. What if all of that soot had been really carbon dioxide? she’d puzzled, and the SCUM mission had been born.
Now, certainly one of her brainchildren extruded a backhoe and started to dig, as its carbon sensors detected a subterranean supply of the all-important ingredient. Moments later it unearthed the primary in a succession of ebony containers.
She gasped because the machine plucked coffins out of the earth and fed them into its maw, as simply as a farmer may hoe potatoes. Then she grunted. “Voice word,” she stated, activating her new, all-metal, guaranteed-no-plastic private recorder. “To any extent further, all funerals needs to be by cremation.”
In any case, each little bit of carbon made a distinction.
Till the pendulum swung too far and her great-to-the-nth grandchildren needed to repeat the cycle yet again.
