"MEXICO CITY -- The annual migration to Mexico of millions of orange-and-black monarch butterflies is one of the nation's cherished rituals. But it could come to a virtual halt if the insect's natural habitat is not urgently salvaged."
"YELLOWKNIFE – Plans to clean up what may be Canada’s worst toxic site are moving ahead with changes suggested by those who live beside Yellowknife’s Giant Mine."
"A 120-car Norfolk Southern Corp train carrying heavy Canadian crude oil derailed and spilled in western Pennsylvania on Thursday, adding to a string of recent accidents that have prompted calls for stronger safety standards."
"First Nations and conservation groups sue administration claiming violation of land treaty."
"Just weeks after a TransCanada natural gas pipeline exploded and left thousands of residents without gas in sub-zero temperatures, a CBC News investigation uncovered a 2011 report, buried by federal regulators, that criticized the company “for ‘inadequate’ field inspections and ‘ineffective’ management.”"
"Environmentalists are declaring victory over an announcement by Ottawa that it will conduct a health review of 23 pesticides."
"EDMONTON - A new study released Monday suggests environmental assessments of oilsands projects have underestimated the impact of pollution, raising questions about the accuracy of data used as part of the approval process."
"WASHINGTON — The White House says a new environmental assessment from the State Department isn't the last step in deciding whether the Keystone XL pipeline can be built."
"ST. PIERRE-JOLYS, Manitoba — Several thousand people in southern Manitoba have been told that a pipeline explosion could mean they will be without natural gas service for up to several days as temperatures dip below zero."
"The National Transportation Safety Board called Thursday for federal regulators to take more aggressive steps to protect the public and the environment from oil spills and fires from trains."
Advertisement 
