Inconvenient Study: CO2 fertilization greening the earth

“The greening over the past 33 years reported in this study is equivalent to adding a green continent about two-times the size of mainland USA (18 million km2), and has the ability to fundamentally change the cycling of water and carbon in the climate system.”

Another study demonstrating a negative feedback on increased atmospheric concentrations of CO2.

Watts Up With That?

International team reports CO2 fertilization prompted plants and trees to sprout extra green leaves equivalent in area to two times the continental USA, or nearly 4.4 billion General Shermans (largest giant Sequoia tree)

Thirteen Years of Greening from SeaWiFS

Thirteen Years of Greening from SeaWiFS – image from NASA Earth Observatory- not part of article below, for illustration only

Color bar for Thirteen Years of Greening from SeaWiFS

From BOSTON UNIVERSITY:

BOSTON — An international team of 32 authors from 24 institutions in eight countries has just published a study titled “Greening of the Earth and its Drivers” in the journal Nature Climate Change showing significant greening of a quarter to one-half of the Earth’s vegetated lands using data from the NASA-MODIS and NOAA-AVHRR satellite sensors of the past 33 years. The greening represents an increase in leaves on plants and trees. Green leaves produce sugars using energy in the sunlight to mix carbon dioxide (CO2) drawn in from the air with water and nutrients…

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