it takes samson charia bacto e environmtal disast that struck in 2009. the lake almost dried t and the fishopulation s demated --ll causeby the fler farmsn the she. sams: they almt dried ou thlake complely, and t emicals they were draing off affectedhe water. there were hardly any fi left. that pe of fish over there, at was t harvest of 10 boats. it took the department of fieries one ar to regenerate thfish stock so people went hungry. reporter: conditions by lake naivasha are ideal for cultivating flowers. over 50 companies have set up greenhouses on its shores. the soil is fertile, temperatures mild, there's 12 hours sunshine a day, and the lake's full of water. since the 2009 disaster, local fisherfo are highlsuspicious of t cut fwer indury -- even tugh stri regulatns for mpanies we introdud in the afrmath. edward: they are spraying the chemicals, and once they spray those chemicals, then when the water and the rain comes it also takes the water to the lake. and th once the sh conmes that, has a sideffect t the consumers and also to the breeding areas