markus wypior from the german agency for international cooperation, the giz, explains what's required to get a german eco-label a good selling point on the indian market. >> we would like to go to other international markets, obviously, but establish ourselves, establish the technology well; make sure that all the safety requirements are taken care of, then, obviously go forward. >> in neighboring countries, it will probably be relatively easy to get established. but if they want to break into the european market, they'll have to fulfil slightly higher standards. but first their target is the indian market. the chaudharis are proud owners of one of the one thousand-odd climate-friendly units sold so far. the installers have been specially trained by godrej, to make sure not an iota of flammable propane can escape. finally the long-awaited moment arrives. and shashikant chaudhari thinks it's just cool. >> and that was our special program on the rio + 20 sustainability conference. you can find plenty more information at our website www.dw.de/rio20. for now from me and the entire team he