• 虫灾会减少森林大火的严重程度

    16-04-29 Forest scientists have found an unexpected silver lining to the insect outbreaks that have ravaged millions of trees across western North America. While insect outbreaks leave trees looking like matchsticks, a new University of Vermont-led study fin...

  • 龙卷风在北美将会更常见

    16-03-07 Most death and destruction inflicted by tornadoes in North America occurs during outbreaks--large-scale weather events that can last one to three days and span huge regions. The largest ever recorded happened in 2011. It spawned 363 tornadoes across...

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