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Every ton of coal extracted should carry the weight of our commitment to the future.

The world is beautiful, but it has a disease called man.

Protecting marine life is protecting our own future.

Sometimes in life, you don't always feel strong, but that doesn't mean you're not.

We're flooding people with information. We need to feed it through a processor. A human must turn information into intelligence or knowledge. We've tended to forget that no computer will ever ask a new question.