unreliability

WRI also looked at water unreliability facing rain-fed crops, which make up two-thirds of the world's food supply.

A new report finds that one-quarter of the world's crops are grown in places facing high levels of water stress, water unreliability, or both.

Its analysis found that 8 percent of rain-fed crops by weight face high to extremely high levels of water unreliability, which refers to fluctuations in the annual water supply such as periods of drought and extreme precipitation events caused by climate change.

Musk is notorious for the unreliability of his timing and engineering forecasts.

Trump’s prevarications underline his unreliability.