Concerns in example sentence
And it's an idea that I think is very prevalent at these TED Talks, the idea that we can invent our way out of a profound economic and energy crisis, that a move to a knowledge economy can somehow neatly sidestep those energy constraints, the idea that we'll discover some fabulous new source of energy that will mean we can sweep all concerns about energy security to one side, the idea that we can step off neatly onto a completely renewable world.