Hindu: UN Secretary General Ban Ki-moon on Tuesday said India was an important and critical state in the United Nations and it should lead the campaign to address climate change so that there will be a universal and meaningful agreement in Paris this year-end. The Secretary General spoke during a goodwill visit to Paryavaran Bhavan, the headquarters of the Ministry of Environment on Tuesday morning at the invitation of its Minister Prakash Javadekar. He said he was counting on the continuing leadership...