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Percentage of global land area (excluding Antarctica and Greenland) for which there are (A) reliable anomalies in annual expected urban damage during either/both El Niño and La Niña years and (B) reliable anomalies exceeding 25% in annual expected urban damage during either/both El Niño and La Niña years. For example, “positive in 1 phase; negative in other” means there is a reliable anomaly in either the El Niño or La Niña phase and a negative anomaly in the opposite phase.
