But the environmental waste expert concedes that for the time being, landfills are the only practical option.

VOA: standard.2010.08.05

Smith concedes these are factors in Arab perceptions of the West.

VOA: standard.2010.03.18

While Eleanor Johnson believes there is a strong connection between widespread mistakes in writing and Internet usage, she concedes that the scientific evidence might not exist yet to confirm her suspicions.

VOA: standard.2010.01.16