Reuters: In the Caribbean island state of Barbados, rainwater collection has been promoted as a way to boost scarce supplies of fresh water. But there's a catch: environmental health officers then reported an increase in mosquitoes breeding in household water storage tanks.
In a country battling a high rate of dengue fever and some recently detected cases of Zika, controlling the population of the Aedes aegypti mosquito -- which transmits both viruses to humans -- is a high priority.
Diarmid Campbell-Lendrum,...