Is the Earth Greening? If So, Where and Where Not

Several important studies, based mostly on remote sensing, indicate that the world is gaining vegetation. According to Jesse H. Ausubel, director of the Program for the Human Environment at Rockefeller University, such “global greening” is “the most important ecological trend on Earth today. The biosphere on land is getting bigger, year by year, by 2 billion tons or even more.”
Such …