Our knowledge and understanding of the world around us has grown exponentially in the last century. The only reason this is a debate is because lobbyists make it a political and economic debate rather than a practical one. Yes it will be difficult in the short term but the long term payoff is huge. We complain that the Boomers ruined the economy but we're perpetuating the damage to the environment. The evidence can only be denied by those who willfully close their eyes to it. The time for change is now.