Age: BRAZIL has announced a sharp drop in the rate of Amazon deforestation, but environmentalists warn it could be a short-term trend masking a broader threat against the rainforest. Brazil’s environment ministry reported that the rate of Amazon destruction dropped 20 per cent between August last year and July this year. The report came the same day an environmental group warned that climate change, together with deforestation, could wipe out or severely damage nearly 60 per cent of …