Ted Nordhaus Is Wrong: We Are Exceeding Earth’s Carrying Capacity

Richard Heinberg in Undark:

IN HIS ARTICLE, “The Earth’s Carrying Capacity for Human Life is Not Fixed,” Ted Nordhaus, co-founder of the Breakthrough Institute, a California-based energy and environment think tank, seeks to enlist readers in his optimistic vision of the future. It’s a future in which there are many more people on the planet and each enjoys a high standard of living, while environmental impacts are reduced. It’s a cheery vision.

If only it were plausible.

Nordhaus’s argument hinges on dismissing the longstanding biological concept of “carrying capacity” — the number of organisms an environment can support without becoming degraded. “Applied to ecology, the concept [of carrying capacity] is problematic,” Nordhaus writes, arguing in a nutshell that the planet’s ability to support human civilization can be, one presumes, infinitely tweaked through a combination of social and physical engineering.

Few actual ecologists, however, would agree.

More here.

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