India's water footprint 200 per cent higher than China

India will need to feed a projected 394 million more people by 2050. What are the agricutural challenges? 

Water Footprint: a stumbling block?

As government mulls using water footprint as a tool to measure water consumption by farming and industrial processes, experts warn of its limitations

Now ISO standard for water footprint

ISO 14046 will not only determine water wastage but suggest ways to reduce it