Environmental ministers hold informal talks in Copenhagen as the second week of the Climate conference gets under way

Environment Ministers are meeting in Copenhagen this Sunday in a bid to try and overcome difference between rich and poor nations over how to tackle Climate change. It's half time at the two-week UN Climate conference and delegates are officially taking a one-day break before the talks enter the final stretch at the end of the coming week. Then World leaders including US President Barack Obama and his Chinese counterpart Wen Jiabao will join the conference.