Walls: Exodus 2 - Echoes of the past
The biosphere was already degrading before the collapse, and resources were becoming scarce all over. anyone of any reasonable intellect knew that, and realized what was coming.
Nightblind Pilot - Chapters 1-5. A Fantasy Cyberpunk Story
Most biospheres were completely withered by the corruption. there were frozen wastelands to the north, petrified, toxic forests to the east and deserts and cracked lands to the south and west. the city itself was in tatters.
The Darkness of Dead Stars
Problem with believing that civilizations founded by alien intelligences might exist was that for all the work, in all the ages spent in their search of the boundless cosmos, ben's people had never uncovered an indisputable proof of life outside the same biosphere
The Machine Stops
They could be like the moya or the lirrag, both of whom gave up interstellar travel to focus on their homeworlds -- now, certain indications in the biosphere would imply that -- you're going to interrupt me, aren't you?
A Quarian in the Family 2
The arid ground and arid biosphere made rannoch a world difficult for imported grain species to grow. but the efforts in the world’s terraformation, plus the adaptation of foreign plants, were already bearing fruit.
Extermination
"there is a high probability that this gas i'm investigating, x-01 as i've categorized it, is largely responsible for the low number of harmful microbes in the biosphere."
Stellar Dreams Chapter 5: Covert Investigations
They talked mostly about the security of living on a balanced biosphere, that they shouldn't want to disturb the 'rightness' of being human, and that outside corruptions could only lead to ruin.
Collecting the Bounty
Even before one breached into its biosphere, the sickly, faded-green color of the planet was like a warning to turn around.
9 - ATOI&F - The Eve of the War
The unseelie court sure couldn't have pulled it off, not that far from a proper biosphere." speaking quietly, though his voice echoed mournfully through the small room, he added, "i don't know who it is. command doesn't know who it is.
Out There by Wyldsyde
Unfortunately the biosphere on this ball of mud is so dense we weren't able to get conclusive readings on our targets." "nor did we detect any signs of power coming from the ship.
Hurricane Kim Ending
And finally, being told that the biosphere of earth was more important that the wellbeing of every living human to force the greatest and fastest shift in the technological make up of society that the human species had ever known.
13 - Dusk to Dawn
The shields the shadows used, the way they countered our spellstrikes... they must have wanted to tap into our biospheres... tell me, brooklyn, do their ships store mana aboard, like as an oil?"