During his 38-year career at the oil corporation, Clive Mather oversaw a massive Canadian tar sands project that cost many billions of dollars.
The Church of England (C of E) has refused demands to divest itself of its investments in fossil fuels
Campaigners called for Mather to step down, claiming that these investments were unethical and contributing to the climate problem.
Baptist and United Reformed churches in Britain have cut their ties to fossil fuels.
Over 500 churches and faith-based organisations have divested around the world, including 17 Anglican dioceses.
At a recent international gathering of Anglican bishops, the C of E's leader, archbishop Justin Welby, declared:
Additionally, the £10 billion church commissioners fund of the C of E has not divested from fossil fuels.
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