proponent

But it was the Sierra Club, influenced by its first executive director, David Brower, that emerged as a leading proponent of the notion that the earth had a carrying capacity — that there was an optimum number for the planet’s population to be held at.

Having lost the backing of the Sierra Club, America’s anti-immigration movement turned more explicitly to climate change — and to one of Zuckerman’s Sierra Club colleagues, Leon Kolankiewicz, an environmental planner versed in sprawl and impact studies and a longtime proponent of the idea that the planet had a limited carrying capacity.

He was both an old associate of Tanton’s and a leading proponent of the great replacement theory.

A proposition coined as a “revenge measure” was added to the ballot, targeting how a healthcare foundation that is a prime proponent of rent control measures could spend their revenue.

But the issue’s biggest proponent on a national ticket?