For example, a company you may know best for manufacturing lawnmowers and tractors has a much bigger mission, aimed squarely at global challenges and opportunities: the impact of population growth on food production, and growing affluence in developing countries leading to greater urbanization, more infrastructure, improved housing and food choices.

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Having said that, let there be no doubt the challenges of our new age are serious in their own right, and we must face them as squarely as they faced the challenges they saw.

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