Understand climate change

Human activities emit large amounts of greenhouse gases. This causes climate change. Understanding the causes and impacts, through science, enables us to take more effective action.

The cause of climate change

Rising greenhouse gas emissions are the key cause of climate change.

Climate change impacts

Climate change is affecting our lives and upsetting the planet’s ecosystems.

Everyday climate action decisions

It is possible to make gestures every day and to make choices in our lives to combat climate change.

Québec’s commitments in respect of the climate

Québec is one of the most committed federated states in the fight against climate change.

Scientific knowledge development

Knowledge development is at the heart of the fight against climate change. Research and the acquisition and dissemination of knowledge enable us to act and adapt more effectively.

Last update: January 29, 2026