The Copenhagen trip will be Mr Sully's second marathon bike ride
A Welsh vicar is aiming to raise awareness of climate change in a 140-mile bike ride to Copenhagen.
Andrew Sully, vicar of Llangollen, Denbighshire, will arrive in the Danish capital during the United Nations climate change conference.
Mr Sully, 42, is joining a 30-strong group of Christian Aid cyclists travelling from Essex in three stages via the Harwich-Esbjerg ferry.
He said such protests help to give politicians "a mandate to act."
Mr Sully, who is married with two daughters, will set off on Tuesday to complete the first leg of the journey, the 60-mile ride from Stansted to Harwich.
The second leg will be a 50-mile ride from Middelfart, Denmark, to Roskilde, followed by the last 30 miles to Copenhagen.
"As a supporter of Christian Aid as well as Friends of the Earth, I think climate change is hugely important," said Mr Sully.
"I think that going onto the streets and showing support in this way makes politicians feel that they have a mandate to act."
This is the second marathon cycle ride that Mr Sully has undertaken, the last being a trip to raise funds for Christian Aid that ended prematurely, and painfully.
In July 2006, while cycling downhill on the last day of a ride from Whitehaven in Cumbria to Whitby in North Yorkshire, the mudguard of his bike caught up in the front wheel and he was thrown off.
"I broke my collarbone and was rather battered and bruised," said Mr Sully.
"So this time I'm intending to stay in the saddle if at all possible."
• The United Nations Climate Change Conference in Copenhagen began on Monday and is expected to last until 18 December. It is aiming for an international agreement to reduce emissions from greenhouse gases.