Unfortunately, plans by the newly formed United Nations to create an international criminal court with jurisdiction over aggression were sidelined during the Cold War because the United States and Soviet Union couldn't agree on an enforceable definition.
Unfortunately, plans don't have a long shelf life.
Unfortunately, planning employs discrete models, while mechatronic systems or controlled systems in general emphasize the time continuous behavior of processes.
Unfortunately, plans that integrate information from multiple sources often use the results of one operation as the basis for forming queries to a subsequent operation.
Unfortunately, plans for this had to be abandoned following the tragic death in a climbing accident of Professor Iztok Saksida, its main organizer.
Unfortunately, planning can adversely affect everything that we are currently doing.
Unfortunately, planning for vacations in the parks has been complicated by the sequester, which threatens to mandate cuts throughout the park system.
Unfortunately, plans for urban growth rarely embrace this definition for water policy and instead focus almost entirely on the pursuit of new supplies to accommodate future growth without consideration of environmental water needs [5].
Unfortunately the plan failed.
Unfortunately, the plan soon derails.
