William Stockton Primary School pupils have been learning about a conservation project run by Chester Zoo.
The zoo is behind a campaign to make Chester the world's first sustainable palm oil city.
There is intense demand for the oil, which features in thousands of household products in the UK, but (unsustainable) palm oil plantations are wiping out huge areas of rainforest.
Chester Zoo is battling to promote sustainable palm oil production to protect the rainforests - and they visited the pupils at William Stockton Primary last week to tell them more about the project.
A school spokesman said: "The children will develop their empathy and understanding of issues that can seem very far away and give them an understanding of what they can do to make that change to improve our world. They will also be convincing others to join them in their quest."
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