WWF Scotland has called for an investigation into an oil rig in the North Sea, after workers were evacuated for the second time this year, following the discovery of a leak.
In a statement the organisation said that "serious questions must be asked about the integrity of this ageing rig".
WWF's African species expert Matthew Lewis said he "did not want to believe" the rhino poaching statistics for 2012, which showed a record number of rhinos were killed.
Richard Dixon, director of WWF Scotland, said the news the leak had stopped was welcome, but pointed out it was the second serious leak in the North Sea in two years.
"We should be trying to give up our addiction to oil and gas, and not seeking it out in more difficult places with the risks to the environment that poses when things go wrong," he said