A letter has been sent to CEO Thomas Buberl, calling on the company to change its stance on fossil fuels

It will provide up to $300m of cover per risk in new projects

It is self-installed and tracks the carbon and energy use of properties

E.SUN FHC has pledged to use 100% renewable energy by 2030 and become a net zero bank by 2050

It is working in collaboration with Climate Neutral, a non-profit organisation that helps companies achieve carbon-neutral status by measuring, offsetting and reducing emissions

It claims to be the first major pensions and insurance provider to set such a goal by 2030