Those numbers explain why power density matters so much: if you start with a source that has low power density, you have to compensate for that low density by utilizing more resources such as land, steel, and ultra-long transmission lines.

FORBES: Magazine Article

If a source has low power density, then it will likely require too much real estate, material or space to provide the power that we demand at prices we can afford or in the vast quantities that the world needs.

FORBES: The Real Problem With Renewables

Tourism is creating other problems for the local environment, too, including increased population density, over-dependence on wood as a fuel and construction source and the overgrazing and cutting of mountain slopes to feed livestock.

BBC: Everest's growing problem

It never once mentions a situation where a 1080p television can do with a true 1080p source or that if your television does have a good scaler, that it may be able to take that less-than-1080p source and display it on a large screen better than a native 720p TV would due to the greater pixel density.

ENGADGET: The (in)famous 1080p truth HD