Tag Archives: increased

A recent study of more than 100 years of river level records from the Amazon shows a significant increase in frequency and severity of floods. The scientists’ analysis of the potential causes could contribute to more accurate flood prediction for the Amazon Basin. Water levels of the Amazon River have …

During their annual migration to wintering sites in Mexico, monarch butterflies encounter dangers ranging from cars and trucks to storms, droughts and predators. A study led by ecologists at the University of Georgia has found evidence that these iconic insects might be facing a new challenge. At sites along their …