Both the Celeriac and Future Farms Burgers are plant-based, however the carbon footprint of the Future Farms Burger is nearly 1.5 times higher.
This is because the Celeriac Burger is almost entirely vegetable-based, made principally from celeriac. Meanwhile, the Future Farms Burger is made up of processed ingredients such as soy protein.
The additional processing of soy to yield high concentrations of protein consumes a lot of energy. This means the carbon footprint is high relative to other unprocessed ingredients, like celeriac.
Cows are ruminant animals, meaning they have microorganisms in their gut that contribute to the emission of large volumes of methane during digestion. The global warming potential of methane is nearly 32 times higher than carbon dioxide.
However, this impact can vary a lot between producers, based on the farming techniques used.
Studies show that high-impact beef producers release up to 12 times the amount of GHG emissions as low-impact producers. Additionally, they use up to 50 times more land.