Millions of people across the globe will join hands from today to launch a biggest ever drive to combat climate change. The human chain will extend from Australia to Alaska spanning different continents to draw attention of the world to the catastrophe of climate change.

Delivering the keynote address here on the occasion of the World Environment Day function organised jointly by Delhi Management Association, the Institute of Engineers, the Institute of Directors, the Centre for Social Responsibility and the World Environment Foundation, Dr Madhav Mehra, president World Environment Foundation, said humanity was facing its biggest-ever crisis far beyond its collective capacity to solve.

Launching of a global human chain was a wake-up call for businesses, governments and other organisations that their very existence was threatened by deteriorating eco-systems and they must take radical and proactive action to minimise greenhouse gases which are the cause of global warming.

Other speakers were Dr S.Z. Qasim, former Member, Planning Commission and currently Chairman, WEF (World Environment Foundation), Mr Bagrodia, president of Institution of Engineers. Dr P S Rana, Chairman, HUDCO, Dr Uddesh Kohli, Chairman, Consultancy Development Corporation, Mr Ashok Kapur, former Principal Secretary, Environment, members of diplomatic corps and environment experts.