Earth is askew, teetering ever-further into irreversible damage through the man-made climate crisis. Technology undoubtedly contributed to this mess, but it's also a game-changer in our ability to fight it. Technologies that help to slash emissions and restore nature have the power to define tomorrow's world, from low-tech biochar and enhanced rock weathering to the higher-tech processes of sucking carbon out of the atmosphere and using Al to increase energy efficiency.