Word: unclear
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...given the unique starting point and varying operational needs of each school—Harvard Medical School’s energy expenditures include the electricity demands of its labs, where thousands of students and faculty conduct research, for example—it is unclear whether Harvard will be able to achieve 30 percent reductions across the board...
Because the course currently seems eminently comfortable for students, it is unclear what fear or uncertainty Malan seeks to address through this change. A course’s policies alone can never assuage all students' fears—for instance, some refuse to take big lecture classes—but presumably Malan does not plan to cap the size or split CS 50 up in order to accommodate them...
Gates said that both health and education can be improved by simple fixes with increased research, noting that while teacher quality has a significant role in improving student performance, it remains unclear what exactly constitutes an exemplary teacher...
...remains unclear when the structure will reach completion—and, if it does, which units will eventually occupy the building...
Business School professors said that the case raises important ethical issues, but that the legal grounding of the SEC’s suit is unclear...