Perennial
in example sentence
Indeed, both countries have entered an era of
perennial
water scarcity, which before long is likely to equal, in terms of per capita availability, the water shortages found in the Middle East.
More example sentences with word perennial
Evolution has been a
perennial
topic here at the TED Conference, but I want to give you today one doctor's take on the subject.
And trying some sustainable agriculture such as
perennial
wheatgrass, which has much longer roots than the six inches of a corn plant, that can keep the nitrogen on the soil and keep the soil from running off.
It's a
perennial
pastime, especially around election time, but the world is complex.
He got together with a group of scientists, and they bred
perennial
grain crops which have deep roots that anchor the fertile topsoil of a farm, preventing erosion and protecting future harvests.
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