AFA: Scientists at a top research unit embroiled in a row over climate research were cleared of dishonesty on Wednesday but their lack of openness was criticised. Climate change sceptics claimed hacked emails showed the scientists had manipulated and suppressed key data to support a theory of man-made climate change. The row was sparked when hundreds of emails were hacked from the servers of the University of East Anglia (UEA) and posted online. But the concerns were largely …