Eon, a leading coal and gas company, plan to build the first in a string of possible new coal power stations in the UK. According to the World Development Movement, "EON's new power station planned for Kingsnorth will output more CO2 each year than the whole of Ghana".

It is completely inappropriate for them to be sponsoring a summit on Climate Change.

To complain, contact the Guardian conference team at  conference@guardian.co.uk