The union is not only calling for more transparency but for the Ministry of Environment to conduct a full investigation into the oil spill.

The Canada Energy Regulator is overseeing the clean-up.

The board sent two letters to Transport Canada in March regarding rail safety following the two CP derailments which were separated by 10 kilometres.

The Liberals have touted their $1.5-billion oceans protection plan as "the largest investment ever made to protect Canada's coasts and waterways."

The truck had slowly leaked fuel onto the road for four kilometres from the borough of Saint-Laurent until it turned onto Chemin Saint François in Dorval.

The islands are home to a "melting pot" of marine species, with everything from giant tortoises to sea lions to mockingbirds and finches. 

Prof. Steven Siciliano said the Prairies have glacial till soil, which makes it hard for water and air to go through them, making clearing oil very difficult.

Top U.S. House Democrats have called for a federal review of the Keystone pipeline and the agency that regulates it in the wake of 1.4-million-litre spill in North Dakota.

An oil spill from the Keystone pipeline in North Dakota has turned out to have affected almost 10 times the amount of land as first reported, a state regulator said Monday.

Oil has been observed on the bridge and a sheen was found on the river below the crash site.