1.   Mr Campbell has simply spotted the contradiction in trying to support unrestrained economic growth with ecologically harmless systems for energy.

2.   It does no good to point fingers at the politicians and agencies who encouraged this unrestrained growth.

3.   Nothing prevents a city from producing a plan encouraging almost unrestrained growth, as long as it conforms to the general plan.

4.   The change involves the appearance of receptors on the lung cells that capture circulating hormones that prompt lung cells to divide, possibly leading to unrestrained growth.