We attempt to justify the use of synthetic biology in response to the climate crisis, based on the premise that it is impossible to avert runaway climate change without sequestering sufficient greenhouse gases (GHG), which could only become possible through Negative Emissions Technologies (NETs). Then, moving from a consequentialist standpoint, we acquiesce to how the consequences of using NETs through synthetic biology are preferable to the catastrophic consequences of runaway climate change. In conclusion, we show how our analysis of synthetic (...) biology resonates with a zoecentric view of climate science and ethics. (shrink)