(CNN) — Lake Naivasha, northwest of Nairobi, Kenya is becoming increasingly unnavigable. Water hyacinth, the world’s most widespread invasive species, is blanketing the lake, choking its fish and ...
Get ready for another alien plant invasion. If you think that weeds like purple loosestrife, Japanese knotweed, garlic mustard, celandine and common reed are bad, get ready for a newcomer that will ...
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