IWAKI, Fukushima Prefecture—A weed described as “the worst alien species on the planet” has been discovered for the first time in the northeastern Tohoku region, alarming local farmers and officials.

LONDON (Dow Jones)--Food harvests in Iraq and Syria are at risk from infestations of an invasive alien weed, the United Nations' food body said Tuesday, warning that the deadly plant could spread to ...

Have you found your sinuses acting up more than usual? Environmentalist’s fears are growing equally as fast as an alien invasive species of weed known as ragweed and, the North Coast provides an ...

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