Saturday, 19 May 2018

Climate change puts city's ash trees at greater risk from killer insect, researchers say

Winnipeg Free Press

Winnipeg's ash tree canopy may be in more imminent danger than anticipated from an invasion of destructive insects because of significant changes to the city's climate. More here.

Trees in Pennsylvania killed by the emerald ash borer. Steven Katovich, USDA Forest Service

One-Third of Protected Areas 'Highly Degraded' By Humans, Study Finds

A traffic jam on the road to the famed Lake Louise in Jasper National Park, Canada. PinP photo.
A study published in Science Friday presents what authors call a sobering "reality check" on global efforts to protect biodiversity—one third of all conservation areas set aside as wildlife sanctuaries or national parks are "highly degraded" by human activities. More here.