While some companies are trying to reduce methane emissions, others are trying to capture and remove it as it's produced. These naturally occurring microscopic organisms live in the soil and eat methane as food for survival. Much like yeast that eats sugar in bread and produces substances that make it rise, mems eat methane and produce fertilizer. This would mitigate methane emissions and enable the grocery company to make climate-friendly claims for their milk and other products. In addition to Cavallo Ventures, Windfall is backed by Prelude Ventures, Amazon Climate Pledge Fund, Breakthrough Energy Ventures and Mayfield.

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Persons: Josh Silverman, I've, Silverman, We've, we've, Brett Morris, Lisa Rizzolo Organizations: Investors, Cavallo Ventures, Foods, Prelude Ventures, Breakthrough Energy Ventures, CNBC Locations: California, Mayfield