Business Green: Pressure on businesses to curb carbon emissions over the next decade could intensify further after the Government confirmed it would aim to meet its new carbon budgets without resorting to the use of carbon offsets. It said it could set more demanding targets if an international climate change deal is reached later this year. Unveiling the world’s first carbon budget alongside his fiscal budget, Chancellor Alistair Darling pledged that the UK would cut carbon emissions by 34 per cent …