Mystery at Trickle Creek: A visit to Wiebo Ludwig's farm provides answers - and raises questions - about a spate of bombings in northern BC | The Dominion Trickle Creek enlightenment.

Worker killed in Alberta sour gas leak - The Globe and Mail Worker killed in Alberta sour gas leak.

There are many sour gas wells in Western Canada spewing sour gas into the atmosphere. At appropriate concentrations this hydrogen sulphide is a animal killer.