dr. stanley heckadon-moreno. we spoke to him in panama outside his marine research center. >> so it seems like they don't quite have enough information on the environment they don't quite have enough information on the people. >> at the moment, yes... yeah. >> but yet the plan is to go forward. >> yes, they need more time... really that was the message we tried to give on this panel. this outside group of panel of experts. that they have to do more water hydrological assessments. you gonna have to make life and death decisions based on 5 years of data. >> in september 2015, the hknd group posted this environmental impact report on its website. the report concludes the canal as designed, quote, "would be safe and lake nicaragua adequately protected". it calls for a series of studies to be completed before construction such as topography, geotechnical, seismic risk assessment, sediment and a salinity study. and it moves the western entrance to the canal's south by 200 meters. telamarco talavera, the nicaraguan in c

dr. stanley heckadon-moreno is considered the environmental conscience of panama. he studies his country from the galeta marine center, a science outpost that sits on a gorgeous stretch of beach on panama's caribbean coast. >> its almost impossible to explain egypt without the nile. you can't explain panama without the chagres. it's what makes possible this country. >> the chagres is the river that was dammed up 100 years ago to form gatun lake, at the time the largest man-made lake in the world. large enough to float these massive ocean vessels. but gatun lake serves another purpose- supplying 80% of the fresh water to the people of panama. and that's why we're at the lake this morning. ariel rodriguez is a biologist from the university of panama. he's taking us on a tour of gatun lake, but this tour isn't of the usual sites. it wasn't long before we found what we were looking for. >> behind me that pump is for water but it's out of the water, that doesn't look normal. >> no, of course it's not normal. >> sadly the pump is just the beginning. rodriguez told us to