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Category Archives: Climate Change

Gorrie Dam Failure, North Maitland River

Gorrie Dam Breach – Scour Hole

It has come to ORA’s attention that the Gorrie Dam on the North Maitland River failed as a result of flooding during an extreme rain event on 23 – 24 June 2017, and that Maitland Conservation is considering its options.  We understand that no one is more aware of the extremes of a volatile and changing climate than Conservation Authorities, and yours in particular; and we understand the pressure that Conservation Authorities and municipalities are under when communities rally to maintain their coveted mill ponds.  However, it is up to all authorities to take a leadership role that places public safety and landscape scale ecological integrity above local individual or group interests.

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EBR 012-9499 – Naturally Resilient – MNRF’s Natural Resource Climate Adaptation Strategy

The focus of the Strategy’s five goals should not just be on “Natural Resources”, but rather on the resilience of the province’s natural heritage landscape, using a watershed approach, in consideration of the cumulative effects of all past, present and future development on our air, land and water. Additionally, the scope of the Strategy must be broadened to encompass a review of all policies, guidelines and legislation that do not support the resiliency, conservation and protection of our streams, rivers, lakes and wetlands in this warming climate. Continue reading


Climate Watch Shorts: The Elders’ Perspective – TVO

Indigenous communities who have fished, hunted, and lived in Ontario’s north for generations have a unique understanding of how their environment is changing. Elders pass down environmental knowledge that simply doesn’t exist anywhere else. The government and researchers are starting to recognize the value of what elders know and are launching projects to gather traditional knowledge.


Simon Lake Community wants Reprieve from Algae

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Simon Lake – Summer 2009

The VRS clearly recognizes the serious concerns of the SLCSG, however; we urge caution in the City’s approach to mitigating the algae issue. VRS agrees that action must be taken by the City of Sudbury to resolve the long-standing issue of algae blooms once and for all; however, we differ in the recommended approach.

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The Dark Side of Hydroelectric – Greenhouse Gas Emissions

One of the most popular energy sources for Canada and globally has been hydroelectric power generation, and the provinces of Ontario, Quebec, Manitoba, and British Columbia are big fans of this particular energy source. One of the main reasons it is so popular is due to the abundance of water in Canada in the form of lakes and rivers that run throughout the provinces.

There was an article by the Montreal Gazette written back in 2011 that took a look at the Romaine River in Quebec and how it was about to turn into one of the biggest construction sites in Canada with the installation of 4 dams, 7 dikes, several large canals, and 279 square kilometers of reservoirs, all at the approximate cost of around $8 billion. What decision makers in Quebec failed to realize or choose to ignore is that harmful greenhouse gas (GHG) emissions are generated by reservoirs and they can be extensive and very damaging to the climate. Continue reading



Discussion Paper on Climate Change – EBR 012-3452 – ORA Submission

Water is a renewable, but finite resource. Climate change will impose some of its greatest effects on both the long-term availability and the short-term variability of water resources in many regions of this province. These effects have already been felt in many areas through increased frequency and magnitude of droughts, extreme rain and flooding, duration of accumulated snowpack, and changes in soil moisture and runoff. These effects have created havoc on municipal waste water treatment facilities that were never built with climate change in mind.

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Canada’s Freshwater in the 21st Century, 2014, Dr. David Schindler

Freshwater is widely recognized as the most pressing environmental issue of the coming century, as roughly 2 billion humans suffer from scarcity of water for drinking or sanitation. Despite its abundance of freshwater, Canada is experiencing great pressure on both its quality and quantity. Despite impending problems, the Canadian government is de-emphasizing freshwater research, both in its funding for university research and its support for federal departments with a freshwater mandate. This lecture describe some of the current threats to Canadian water, and outlines what we must do to solve them.
This is an excellent presentation and it is beneficial to listen to it all; however, if you have specific interest in hydroelectric or pipelines:
Hydroelectric: go to 34:56
Pipelines and the tar sands:  go to 50:00

June 18, 2014 — Water Institute Lecture Series and Faculty of Science Public Lecture Series
Dr. David W. Schindler, Killam Memorial Professor of Ecology, University of Alberta, retired.



Ontario’s Fisheries: Significant Contributors to the Ontario Economy

Ontario’s fisheries contribute substantially to Ontario’s economy, with recreational and commercial fishing valued at more than $2.5 billion annually:

  • 41,000 person years of employment.
  • More than 1.2 million residents and non-resident anglers, contributing $2.2 billion annually to the Ontario economy.
  • A driving force for Ontario’s tourism industry and a key economic component in many communities, particularly in Northern Ontario, with 1600 licensed tourist operators generating hundreds of millions of dollars in revenues annually.
  • More than 500 active commercial fishing licences, contributing more than $230 million dollars to the Ontario economy.
  • 1200 commercial bait fishing licences are issued annually, with $17 million in direct sales of live bait.

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