The eatery will donate a portion of its customers' loyalty club points to help 'protect our planet's most endangered wildlife forests and animals'.
Since September 2018, the initiative has helped save 5,200 acres of rainforest land.
In a statement sent to Plant Based News, CEO of Copper Branch, Rio Infantino, said: "Especially with the ongoing environmental catastrophe occurring in the Amazon, we at Copper Branch are proud to partner with an amazing organization like Rainforest Trust to preserve rainforest lands which are absolutely essential to the health of the planet and our species.
"Every time one of our 50,000 loyalty club customers uses their card they are, in their own small and personal way, helping this organization fight the destruction of these indispensable rainforest regions."
Infantino added: "The work [Rainforest Trust] does is key to the efforts to save these lands, which are home to 50 percent of the biodiversity on the planet. And it is part of our company ethos to do our part for the planet in supporting this incredible organization."