Endesa and Colbún, the companies behind the high-profile HidroAysén dam project in Patagonia, have failed...to publicly share information about the possible environmental impacts of the venture, opponents of the…plan claimed…Before breaking ground on the…project, [the companies] must first gain approval from Chile’s National Environmental Commission. [They] are expected to file a requisite Environmental Impact Report…some time this year. In the meantime… HidroAysén General Manger agreed to [be forthcoming with the general public about the potential impacts the five dams would have on the…region]…But according to the CDCP (Chilean Patagonian Defense Council), HidroAysén has not lived up to its promise.