Guardian: Governments in the industrialised world must have a clear climate aid plan for developing countries if they want to avoid a fiasco at the Cancún climate conference this month, Brazil’s environment minister, Izabella Teixeira, has warned. In an interview with the Guardian before this week’s preparatory ministers’ meetings in Cancún, Teixeira said negotiators needed to show they can produce concrete agreements to restore faith in the international talks for a global climate deal. A key element…