Capturing carbon that’s already been emitted is key to addressing climate change—and trees already do this. But what if we could supercharge them to suck up even MORE carbon? One company is using gene editing to hack the process of photosynthesis and turn ordinary trees into super carbon fighters.
“By the middle of the century, by one estimate, the world may need to be pulling 10 billion metric tons of carbon dioxide from the atmosphere every year to be able to meet the goals of the Paris climate agreement,” according to Fast Company.
This need inspired one company to genetically engineer “supertrees.” Startup Living Carbon genetically engineers trees to take even more carbon from the air, as well as handle absorption of copper and nickel, which kill the fungus that makes dead trees decompose and release carbon.
The goal is to “improve the total drawdown of carbon dioxide from photosynthesis, and also improve retention of that carbon,” so forests full of these trees could help control climate change, Living Carbon co-founder Patrick Mellor told Fast Company.
Forests are already excellent at capturing carbon, says BIO’s Biotech Solutions for Climate Report: “Afforestation/reforestation of marginal land can result in the formation of new carbon sinks and the long-term removal of carbon dioxide from the atmosphere.”
But trees alone cannot solve our climate problems,BIO’s Cornelia Poku has explained. “Trees as they are today, have to be planted very strategically to ensure survival,” she wrote. “However, with gene editing, researchers are making small changes to plants’ DNA” to grow trees that can handle “rapidly changing environments.”
The same is true of crops. Bitoech can give crops deeper roots that don’t get pulled up during harvesting, helping them retain carbon, Innovature explained.
“Over time, these roots will break down slowly, helping to replenish the soil with carbon,”said BIO’s Connor McKoy.
The bottom line: Nature has given us excellent tools to help solve climate change—and with biotechnology like gene editing, we can supercharge them.