What is Climate Change?Climate change includes both the global warming driven by human emissions of greenhouse gases, and the resulting large-scale shifts in weather patterns. Though there have been previous periods of climatic change, since the mid-20th century the rate of human impact on Earth's climate system and the global scale of that impact have been unprecedented.
Who is Denis Rancourt?Denis Rancourt is a former professor of physics at the University of Ottawa. Rancourt is a recognized scientist but is more widely known for his confrontations with his former employer, the University of Ottawa.