Extinction Covenant

Casie's mission is to keep Max alive. Ex-military, she works for The Covenant, a group of billionaires secretly developing a vast underground sanctuary where they can take their families when the climate crisis explodes. Max has created a non-polluting source of energy that can save the earth. But he believes that humanity, if saved, will push nature beyond its capacity to regenerate. He faces the ultimate decision: release his research and allow humans to kill the earth, or let...
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Casie's mission is to keep Max alive. Ex-military, she works for The Covenant, a group of billionaires secretly developing a vast underground sanctuary where they can take their families when the climate crisis explodes. Max has created a non-polluting source of energy that can save the earth. But he believes that humanity, if saved, will push nature beyond its capacity to regenerate. He faces the ultimate decision: release his research and allow humans to kill the earth, or let humanity go extinct, leaving nature to recover. Mercenaries are after him, hired by energy companies that fear their demise if Max unveils his invention. Casie must persuade him humans are worth saving. As they struggle to evade assassins, her mission becomes something more. If Max won't release his research, she'll have to make the hardest choice of her life.