University of Arizona researchers are trying to tackle the massive challenge of climate change with something small: algae. Tune in tonight at 5:00 and 6:00 or more on this discovery.
Specifically, they are focusing on one type of microalgae called coccolithophores.
Apai says that even if the world’s industries cut carbon emissions significantly, planes and cargo ships would still need to run on fossil fuels and do not have the technology to be powered by batteries. He estimates they would still emit at least 5 billion tons of carbon dioxide each year over the next few decades.
“That’s the aim here, is to mass propagate the cells so you can really remove a significant amount of carbon from the atmosphere,” he explained. “And you’re gonna be producing these plates, which are calcium carbonate, and that can be used as construction material… To make this economically viable and feasible. Cause that’s very important. Because if it’s not, then removing capture by this means is not gonna be sustainable economically.
“Every species, strain we get grows at a different rate,” he said. “So it’s all dependent on light intensity, temperature, nutrient considerations and where these cells originated from.”
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