News tagged with levels

Fracking may affect air quality and human health

People living or working near active natural gas wells may be exposed to certain pollutants at higher levels than the Environmental Protection Agency considers safe for lifetime exposure, according to scientists ...

dateMay 13, 2015 in Environment
shares177 comments 13

Where do the happiest children live?

Children in European countries tend to report higher levels of satisfaction with their friendships while children in African countries tend to be happier with their school lives. Children in northern European countries are ...

dateMay 13, 2015 in Social Sciences
shares23 comments 1