Brazil reforestation startup Mombak raises $30 million in USV-led round Brazil's carbon removal sector continues to gain investor interest29 April 2025 29 April 2025 2 minute read 2 minute read By: By: Global Ag Media South AmericaBrazilian reforestation firm Mombak has secured $30 million in a funding round led by venture capital firm Union Square Ventures (USV), it said on Tuesday, in another sign of growing investor interest in Brazil's carbon removal sector, according to Reuters. The fundraising is the latest sign of growing activity in Brazil's carbon removal industry, with startups such as blue-chip founded Biomas and billionaire Joao Moreira Salles-backed re.green having also launched major projects in recent months. Mombak has so far inked $150 million worth of carbon removal offtake contracts and expects that volume to grow up to four times this year. The startup has attracted some $200 million in investments since it was founded in 2021. "We believe that carbon removal will be one of the defining industries of the 21st century," USV managing partner Andy Weissman said.