Guardian: When Brent Constantz, CEO of carbon capture company Blue Planet, was looking for a way to process carbon dioxide emissions, he found inspiration in nature. Coral reefs and rainforests, the largest natural structures on the planet, are made of carbon, he says. Reefs, in fact, not only sequester carbon, but also reuse their own waste byproducts. When they produce calcium carbonate, they release carbon dioxide, he explains. This feeds the symbiotic algae that help support them.
This circular...