Environmental groups say decision is invalid because NEB has failed in its mandate to protect the public interest.
Some experts fear the 15-page letter will intimidate people unfamiliar with the process into withdrawing their applications.
Environmental groups say choices now include legal avenues, political campaigns and direct action.
National Energy Board Joint Review Panel on Enbridge Northern Gateway Project decision to be handed down Thursday in Calgary.
Independent federal agency, National Energy Board, directly coordinated effort between CSIS, the RCMP and private oil companies.
Three years after the Enbridge, Inc. oil spill into the Kalamazoo River in Michigan, due to "pervasive organizational failures", can BC trust the company?
At the Joint Review Panel hearings on the proposed Enbridge Northern Gateway oil sands pipeline, everyone was on script.
To avoid repeating the statements of those who came before them, many speakers cut to the chase: No pipelines.
Enbridge Joint Review Panel once again heard from Vancouver intervenors today who spoke eloquently and passionately, some in tears, others fuming with anger.