Pakistan taking effective steps to preserve environment, says PM Imran Khan Pakistan Prime Minister Imran Khan addressing a ceremony in Haripur. HARIPUR: Prime Minister Imran Khan on Thursday said the government was taking effective steps to preserve the environment for the coming generations. The premier was addressing a "Ten Billion Tree Tsunami Program" event where he said it was a huge achievement for the government that it would be hosting the next "World Environment Day". PM Khan said it reflected that his government had taken steps to protect the environment, adding that it was a worrying sign that Pakistan was included in the list of 10 countries that are worse affected from climate change.