Climate Scientists Say We Should Embrace Higher CO2 Levels

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“The whole thing is a total scam,” Mr. Moore said. “There is actually no scientific evidence that CO2 is responsible for climate change over the eons.”
Patrick Moore, chairman and chief scientist of Ecosense Environmental and co-founder of the environmental organization Greenpeace.

He said the burning of fossil fuels—which emits CO2—is a good thing for plant life.

“We are replenishing the atmosphere with CO2 up to a level that is much more conducive to life and growth of plants, in particular.”

“CO2 has been unfairly demonized because it is actually plant food in its atmospheric form, and it is the consequence of generating carbon-based energy, which unquestionably improves lives around the world,” he said.

He calls CO2 the “currency of life.”

“In past epochs, there were many times more CO2 levels in the atmosphere than today.”

Mr. Moore said that current CO2 concentrations are “historically low.”

“Going back 150 million years, CO2 was somewhere between 2,000 and 2,500 parts per million (ppm),” he said.

Generally, atmospheric CO2 is low (around 180 ppm) during glacial periods and higher during interglacials, according to the U.N. Intergovernmental Panel on Climate Change (IPCC).

Mr. Moore said that that’s a good thing and that the push for net-zero CO2 is a disastrous policy. Anything under 150 ppm is “starvation level” for most plant species.

“CO2 is only now at 0.042 percent of the atmosphere. And the fact of the matter is plants would prefer between 1,500 and 2,000 ppm for optimum growth,” Mr. Moore said.

“Commercial greenhouse growers worldwide purposefully increase the CO2 level in their greenhouses to between 800 and 1,200 ppm. Really, it’s about 2,000 where you’re at the optimum level for trees and plants, in general.”