
CH4 Global, an aquaculture firm, innovatively uses seaweed to reduce livestock methane emissions, combating climate change.
CH4 Global controls an end-to-end process covering Asparagopsis cultivation, processing, formulation, packaging and distribution, which lets it tune the supplement for specific cattle segments rather than selling raw seaweed. Its pond-based land cultivation system is designed to avoid the light-limitation bottleneck of tank growing and to hold down production cost, supporting its stated path to margins above 40 percent.
Trial results reported with commercial partners show cattle reaching the same weight gain on less daily feed, giving farmers a feed-conversion benefit alongside the methane reduction. The company pairs this with third-party validation work, including FAMI-QS certified manufacturing and a carbon-credit verification program under development with a leading registry.
Source: ch4global.com
Demand for enteric methane solutions is supported by climate regulation and corporate supply-chain commitments, with more than 150 countries signed to the Global Methane Pledge targeting a 30 percent cut in methane emissions. Governments are beginning to price livestock emissions directly, as shown by Denmark move toward a cattle emissions tax, which strengthens the commercial case for proven feed-based mitigation.
CH4 Global is converting that demand into contracted volume, including a 2024 offtake agreement with CirPro covering reduced-methane beef from at least 100,000 cattle per day and partnership work aimed at large Asian livestock markets. Continued expansion of the EcoPark production footprint in South Australia positions the company to serve multinational food producers seeking lower-carbon beef supply.
Source: ch4global.com
CH4 Global is a climate technology company founded in 2018 that reduces enteric methane from cattle with Methane Tamer, a line of Asparagopsis seaweed-based feed supplements cutting emissions by up to 90 percent. The company raised US$29 million in August 2023 Series B funding led by DCVC, DCVC Bio and Cleveland Avenue and operates from Henderson, Nevada with production subsidiaries in Australia and New Zealand.
The investment case rests on contracted commercial demand, including a CirPro offtake agreement for reduced-methane beef from at least 100,000 cattle per day, and a land-based aquaculture production model built to scale through the EcoPark facility. Key risks center on execution of large-scale seaweed cultivation, regulatory approvals in new livestock markets, and adoption pace among farmers and food producers.
Source: ch4global.com
Methane Tamer is CH4 Global line of cattle feed supplement formulations built around whole Asparagopsis seaweed, a red seaweed whose natural compounds inhibit enteric methane formation during ruminant digestion. The Beef Feedlot formulation targets a minimum 70 percent reduction in enteric emissions across its shelf life, with reductions of up to 90 percent observed in feeding trials.
CH4 Global develops targeted Methane Tamer formulations by animal type and production system, spanning feedlot and grazing beef and dairy cattle as well as sheep and goats. The company cultivates its Asparagopsis through land-based aquaculture operations, including the EcoPark facility in South Australia, designed to supply the supplement at commercial scale.
Source: ch4global.com