...we do use other forms of which we may be only partially aware, or in some cases, completely unaware. (Para. 4)
partially: ad. partly; not completely
Much of the forest land in California was partially destroyed by a forest fire in 1985. 加州许多林地在1985年的森林大火中部分遭到破坏。
You are partially correct if you think air pollution is caused by factories, but a great deal of pollution is also caused by cars. 认为工厂污染了大气只是说对了一部分，许多污染是汽车所造成的。