Sentences with phrase «aggressive than in recent years»

Not exact matches

Peter H. Gleick, a water and climate analyst who has been studying aspects of global warming for more than two decades, in recent years became an aggressive critic of organizations and individuals casting doubt on the seriousness of greenhouse - driven climate change.

Rowell Huesmann and his colleagues have conducted several of these studies, the most recent one involving more than 500 elementary school children.85 The researchers collected measures of television viewing and aggressive behavior when the children were in grade school and then again fifteen years later when they were adults.