Sindh Information Minister Shazia Marri has said that the government will soon announce a policy for pollution control and energy conservation. She was speaking at a recently held Earth Day Carnival, jointly organised by Promoloon and UHU at Sindbad Kids park in connection with World Environment Day. Social Welfare Minister Begum N D Khan, was also present on the occasion. Shazia Marri underlined the need for a joint struggle to solving these problems which were the outcome of population explosion in the country.