If our field is "to advance", we must - without displacing creativity and aesthetics - make sure our terminology is clear.
Fame, that public destruction of one in process of becoming, into whose building-ground the mob breaks, displacing his stones.
One of the reasons the United States has actually been reducing its emissions in recent years is actually that there's been a boom in natural gas. It's displacing coal. It emits less carbon dioxide when you burn it. This is not really an Obama policy. It's just something that happened because of technology and the free market.
Biofuels such as ethanol require enormous amounts of cropland and end up displacing either food crops or natural wilderness, neither of which is good.
I have the obsessiveness of someone who's a sober, recovering addict displacing his addiction. Except I never had the addiction.