Mr Sauven's trip was connected to highlighting deforestation in Sumatra.

BBC: Greenpeace Rainbow sails again

"By failing to agree to any carbon target for the power sector until after the next election, David Cameron has allowed a militant tendency within his own ranks to derail the Energy Bill, " said John Sauven, executive director of Greenpeace.

BBC: Energy Bill: Households to fund ?7.6bn green investment

If it were feasible, Greenpeace might want to sail it up to the door of President Yudhoyono and ask why the organisation's UK director, John Sauven, was refused entry to Indonesia and deported earlier this week - despite having a valid visa.

BBC: Greenpeace Rainbow sails again