Logo for Yard Stick PBC

Meet an Unreasonable Venture

Yard Stick PBC

Measuring soil carbon accurately, instantly, and affordably.

Photo of Chris Tolles

Chris Tolles

Co-Founder & CEO at Yard Stick PBC

More about Chris »
Employees 21–50
Headquarters Cambridge, Massachusetts, United States
Yard Stick is a soil carbon measurement technology company that uses low-cost, high-precision probes to measure soil carbon stocks and changes. They provide project-specific plans tailored to relevant carbon registries, deploy a sampling team to the field, and then analyze the data via a live dashboard and communicate results with key stakeholders. They are currently operating in the US and internationally and have customers in various industries, including carbon project development and Scope 3 agricultural decarbonization. Yard Stick is supported by the world's leading funders including DOE ARPA-E, NSF, USDA, The Nature Conservancy, Breakthrough Energy Ventures, and Lowercarbon Capital.

Notable Achievements

  • Raised $12M in Series A funding in exceptionally difficult 2023 market
  • Coast-to-coast work in the USA and international projects in Australia and elsewhere
  • Flagship paper under review for late 2023 publication in the world’s top soil science journal

Currently Operating in Two Regions

Press Mentions

March 18, 2025

US: Washington State University to study effects of biochar on hemp cultivation

Read more »

May 2, 2024

15 Startups in Mars’ 1st ‘Unreasonable Food’ Cohort Poised to Future-Proof Food

Read on Sustainable Brands »

Work at Yard Stick PBC

More Ventures in Energy & Environment

Get the Unreasonable Newsletter

Get monthly updates on Yard Stick PBC and all of the other ventures working to solve the world's toughest problems.

Read our Privacy Policy.