Press Association: Prime minister Gordon Brown today accused climate change sceptics of going “against the grain” of scientific evidence, as he launched a new group to raise billions of pounds for the fight against global warming. Mr Brown will co-chair the United Nations High Level Advisory Group on Climate Change Financing with Ethiopian prime minister Meles Zenawi. The group aims to raise $30bn (£19bn) over the next three years – rising to $100bn annually by 2020 – to help poor countries limit …