. >> translator: when twhaert goes down, i don't know what we'll do. going to have to borrow but i don't know if they will give us loans. >> reporter: one of the crops lost was this soyia harvest. it boosts the countries unstable economy. but to make way for the crops, huge swathes of forrest had to be cleared. these vast fields some way only exacerbate the flooding becausing great suffering for many for the benefit of a few. soyia production rose 126% in a decade. most of it to feed cattle. >> translator: in the last 16 years, we lost 300,000 hectors of forrest. you are creating a cocktail of conditions for flooding, which will only get worse. >> reporter: the removal of vegetation makes the soil less able to absorb water. so when it ryans the water simply flows over it. >> translator: we need long-term policies to regeneration forrests. >> reporter: local authorities say they are abiding by a national law designed to protect and regenerate the forrests. but the flooding continues. >> translator: we have lost everything. the matess my son sleeps on. w