Final answer:
The major challenges facing Canadian business today exclude cultural challenges from the provided options. Economic, demographic, and technological challenges are the primary focus highlighted in the information.
Step-by-step explanation:
The major challenges facing Canadian business today do not include cultural challenges among the options provided. The challenges explicitly mentioned in the information provided are economic challenges, including global economic issues such as climate change, deforestation, and financial crises which impact the global market. Additionally, technological challenges are highlighted as new technology changes economic realities, and demographic challenges are implied through the discussion of population growth, minority groups, and environmental and social costs to rapid growth.