Business leaders say environmental concern is the big new driver in in their forward planning as they strive to be heard, ahead of the Paris Climate Summit taking place this year

Business leaders say environmental concern is the big new driver in their forward planning as they strive to be heard ahead of the Paris Climate Summit taking place later this year. Are they problem or part of the solution? And what can they bring to the global debate about tackling carbon emissions? (Photo: A wind power generator. Credit: Koichi Kamoshida/Getty Images)