The pair’s venture will pursue nut and superfood investments in Europe, America, Africa and Asia.
The food investment specialist is seeking up to $750m for its follow-on vehicle.
The fund manager has adapted its timberland strategy to farmland and has a partnership in place to receive payments for carbon and methane offsets.
A target size has not been disclosed for the fund, but the firm’s Fund III closed above its C$70m target in 2020.
The firm has invested in more than 80 companies since it was founded in 2020.
Tokyo Gas will use the carbon credits generated by the fund to implement its decarbonization strategies.
Mekong Enterprise Fund IV is nearing full deployment across a diverse range of investments, including in the regenerative agriculture space through biochar fertilizer company Husk.
Silva Capital, a Roc Partners-C6 joint venture, seeks to deliver carbon credits through the reforestation of farmland while maintaining agricultural productivity.
The Californian pension also made a $65m commitment to the Altor Climate Transition Fund I.
Campbell Global will invest the vehicle on behalf of the defined contribution pension scheme and will not pay performance fees to the JPMorgan subsidiary.