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In a notable surge of investment within the carbon removal sector, Chestnut Carbon has successfully secured $90 million in a Series B extension, bringing its cumulative funding to an impressive $450 million since its establishment in 2021 by Ben Dell. This achievement highlights the growing importance of innovative solutions in addressing climate change and carbon emissions.

In parallel, the tech landscape continues to evolve with the emergence of platforms like Tabs. This AI-powered revenue automation tool for finance teams has attracted $55 million in Series B funding, led by Lightspeed Venture Partners, elevating its total equity funding to $91 million since its founding in 2023 by Ali Hussain and Deepak Bapat.

Meanwhile, Reserv, another player in the carbon removal arena, has raised $16 million in a Series B extension, with total funding now reaching $84.1 million. Founded by CJ Przybyl, Martha Dreiling, and Oleg Ilichev in 2022, Reserv exemplifies the growing trend of investment in sustainable solutions.

Additionally, Noble Mobile, a forward-thinking mobile carrier aiming to incentivize reduced phone usage, has embarked on its journey with $10.3 million in seed funding, backed by Corazon Capital. Founded by Andrew Yang, Zach Graumann, and Ethan Dunn in 2024, Noble Mobile addresses a unique aspect of consumer behavior in the digital age.

Lastly, Gridstrong, a platform designed to automate compliance and operations within the electric grid, has recently secured $10 million in seed funding. Founded by Tom Scaramellino and Ross Epstein in 2025, Gridstrong represents the intersection of technology and energy management, essential for the modern infrastructure. This wave of funding across various sectors reflects the increasing investor confidence in innovative solutions that tackle both environmental and operational challenges.