The Complete Mars Trilogy: Red Mars, Green Mars, Blue Mars. Kim Stanley Robinson
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roadbuilders’ calmness, their strange mixture of engineering and mysticism. The warmth of their welcome, which wasn’t something Boone took for granted; it didn’t always happen. In the Arab and Israeli settlements, for instance, he was received very stiffly, perhaps because he was seen as being anti-religion, perhaps because Frank had been spreading tales against him; he had been amazed to discover an Arabic caravan whose members believed he had forbidden the building of a mosque on Phobos; and they had only stared at him when he denied even hearing about such a plan. He was pretty sure that was Frank’s doing, word got back to him through Janet and others that Frank was prone to undercutting him in that way. So yes, there were definitely groups that greeted him coolly: the Arabs, the Israelis, the nuclear reactor teams, some of the transnational executives … groups with their own intense and parochial programs, people who objected to his larger perspective. Unfortunately there were a lot of them.
He came out of his reverie and looked around, and was surprised to discover that out in the middle of Melas it looked exactly as if he were out on the northern plains somewhere. The great canyon was two hundred kilometers wide at this point, and the curvature of the planet was so sharp that the north and south canyon walls, all three vertical kilometers of them, were completely under the horizons. Not until the following morning did the northern horizon double, and then separate out into the canyon floor and the great northern wall, which was cut in two by the gap of a short north-south canyon connecting Melas and Candor. It was only when he drove into that wide slot that he had the kind of view people thought of when they imagined being down in Marineris: truly giant walls flanked him on both sides, dark brown slabs riven by a fractal infinity of gullies and ridges. At the foot of the walls lay the huge spills of ancient rockfall, or the broken terracing of fossil beaches.
In this gap the Swiss road was a line of green transponders, snaking past mesas and arroyos, so that it looked as if Monument Valley had been relocated at the bottom of a canyon twice as deep and five times as wide as the Grand Canyon. The sight was too astonishing for John to be able to concentrate on anything else, and for the first time in his journey he drove all day with Pauline off.
North of the transverse gap, he drove into the huge sink of Candor Chasma, and now it was as if he were in a gigantic replica of the Painted Desert, with great deposition layers everywhere, bands of purple and yellow sediment, orange dunes, red erratics, pink sands, indigo gullies; truly a fantastic, extravagant landscape, disorienting to the eye because all the wild colors made it hard to figure out what was what, and how big it was, and how far away. Giant plateaus that seemed about to block his way would turn out to be curving strata on a distant cliff; small boulders next to the transponders would turn out to be enormous mesas half a day’s drive away. And in the sunset light all the colors blazed, the whole Martian spectrum revealed and blazing as if color was bursting out of the rock, everything from pale yellow to dark bruised purple. Candor Chasma! He was going to have to come back some time and explore it.
The day after that, he drove up the steady slope of the north Ophir road, which the Swiss crew had completed the previous year. Up and up and up; and then, without ever seeing a distinct rim he was out of the canyons, rolling past the domed holes of Ganges Catena, and then over the old familiar plain, following a wide road, over the tight horizon past Chernobyl and Underhill; then on for another day west to Echus Overlook, Sax’s new terraforming headquarters. His journey had taken a week, and crossed 2500 kilometers.
Sax Russell was back from Acheron, in his own place. He was a power now and no doubt about it, having been named by UNOMA a decade before as scientific head of the terraforming effort. And of course that decade of power had had its effect on him. He had solicited UN and transnational aid to build a whole town to serve as headquarters for the terraforming effort, and he had placed this town about five hundred kilometers due west of Underhill, on the edge of the cliff that formed the eastern wall of Echus Chasma. Echus was one of the narrowest and deepest canyons on the planet, and its eastern wall was even taller than south Melas; the section they had chosen to build the town into was a vertical basalt cliff four thousand meters high.
At the top of the cliff there was very little sign of the new town; the land behind the rim was almost unmarked, only a concrete pillbox here and there, and to the north the plume of a Rickover. But when John climbed out of his rover into one of the rim pillboxes, and got in one of the big elevators inside it, the extent of the town began to come clear; the elevators went down fifty floors. And when he descended fifty stories, he got out and found other elevators that would take him even lower, a whole series of them, descending right down to the floor of Echus Chasma. Say a story was ten meters; that meant there was room in the cliff for four hundred stories. Actually not that much of the room had been used yet, and most of the rooms built so far were clustered up in the highest twenty floors. Sax’s offices, for instance, were very near the top.
His meeting room was a big open chamber, with a continuous floor-to-ceiling window as its western wall. When John walked into the room looking for Sax, it was still mid-morning, and the window was almost clear; far, far below lay the chasm floor, still half in shadow, and there out in the sunlight stood the much lower western wall of Echus, and beyond that the great slope of the Tharsis bulge, rising higher and higher to the south. Out in the middle distance was the low bump of Tharsis Tholus, and to the left of it, just poking over the horizon, lay the purple cone of Ascraeus Mons, the northernmost of the great prince volcanoes.
But Sax was not in the meeting room, and he never looked out of this window as far as John could tell. He was next door in a lab, more lab rat than ever, hunch-shouldered and twitch-whiskered, gazing around at the floor, speaking in a voice that sounded like an AI. He led John through a whole sequence of labs, leaning forward to peer into screens or at inching graph paper, talking to John over a shoulder, in a state of distraction. The rooms they passed through were jammed with computers, printers, screens, books, rolls and stacks of paper, disks, GC-mass specs, incubators, fume hoods, long apparatus-filled lab tables, whole libraries; and placed on every precarious surface were potted plants, most of them unrecognizable bulges, armored succulents and the like, so that at a glance it looked like a virulent mold had sprung up and covered everything. “Your labs are getting kind of messy,” John said.
“The planet is the lab,” Sax replied.
John laughed, moved a bright yellow surarctic cactus from a countertop and sat down. It was said Sax never left these rooms anymore. “What are you simming today?”
“Atmospheres.”
Of course. It was a problem that gave Sax a serious case of the blinks. All the heat they were releasing or applying to the planet was thickening the atmosphere, but all their CO2-fixing strategies were thinning it; and as the chemical composition of the air slowly shifted to something less poisonous it became less greenhouse-gassed as well, so that things cooled back down and the process slowed. Negative feedback countering positive feedback, all over the place. Juggling all these factors into any meaningful extrapolative program was more than anyone had yet accomplished to Sax’s satisfaction, so he had resorted to his usual solution; he was trying to do it himself.
He paced the narrow aisles left between equipment, moving chairs out of his way. “There’s just too much carbon dioxide. In the old days the modelers swept that under the rug. I think I’m going to have to have robots feed the southern polar cap into Sabatier factories. What we can process won’t sublime, and we can release the oxygen and make bricks of the carbon, I guess. We’ll have more carbon blocks than we’ll know what to do with. Black pyramids to go along with the white.”
“Pretty.”
“Uhn.” The Crays and the two new Schillers hummed away behind him, providing his monotonal recitative with a ground bass. These computers spent all their time running through one set of conditions after another, Sax said; but the results, while never the same, were seldom encouraging. The air was going to be cold and poisonous for a good while yet.
Sax wandered down the hall, and John followed him into what looked like another lab, although there was a bed and a refrigerator in one corner. Violently disarranged bookscapes were overgrown with potted plants, bizarre Pleistocene growths that looked as deadly as the air outside. John sat in the lone empty chair. Sax stood and looked down at a seashell shrub as John described his