There were two big pieces of news out of NASA this week. NASA’s Hubble Space Telescope and scientists at the Southwest Research Institute discovered a new moon, orbiting a dwarf planet named Makemake (one of the many Pluto-esque bodies that live in the far reaches of the solar system). And NASA announced that the Earth is getting greener. Literally greener. Plant growth is way up.
Why is plant growth way up? Because of all the extra carbon dioxide in the air. According to the study, which was published this week in the scientific journal Nature, the total area of the planet that’s covered by plants has increased by more than 11 million square miles in the last 33 years. For perspective: North America, including Greenland, is a little less than nine and a half million square miles. Of course, not all of this increase is due to CO2 and global warming. But 78 percent of it is. (Says the study.)
This is very good news. Plants feed the world. It is not, however, unexpected news. Wall Street Journal readers may recall a piece published in May of 2013 called “In Defense of Carbon Dioxide,” by William Happer, one of Princeton’s top-flight physicists, and Harrison Schmitt, a geologist, a former Republican senator from New Mexico, and an Apollo astronaut who walked on the moon.
“In Defense of Carbon Dioxide” criticized the “conventional wisdom” about CO2 and the “single-minded demonization of this natural and essential atmospheric gas.” “Contrary to what some would have us believe,” wrote Schmitt and Happer, “increased carbon dioxide will benefit the increasing population on the planet by increasing agricultural productivity.”
Needless to say, they were right on the money.