ISLAMABAD   -  Prime Minister Imran Khan on Tuesday directed his Special Assistant on Climate Change Malik Amin Aslam to represent Pakistan in the US-sponsored conference on climate change and highlight the steps being taken by the Government of Pakistan to combat climate changes.According to a press statement issued by the PM media wing, Imran Khan issued these directives in a meeting, which was attended by Special Assistants of Prime Ministers on National Security Dr Moeed Yusuf and Malik Amin Aslam held here. During the meeting, Malik Amin Aslam Khan apprised the Prime Minister of the invitation received with regard to the climate summit.