Those concerned about climate change have long suggested that human industry, agriculture, and the consumption of affordable energy will destroy the environment and, in some cases, lead to extinction. It turns out that humanity’s much-deplored carbon dioxide emissions actually play a major role in feeding plants and greening the world.
Secondly, the greening of the earth is clearly reducing the effects of so-called global warming and extreme weather events.
peer-reviewed research
recently published In the journal Global Ecology and Conservation, he stressed that “the greening of the planet is an indisputable fact” and has accelerated over the past 20 years on more than 55% of the planet.
The global leaf area index (a measure of the amount of leaf area relative to land area) based on satellite observations shows that the world has been greening since the early 1980s. Researchers in Australia and China sought to confirm with remote sensing data whether this trend has continued in recent years, especially in the face of recent suggestions that the world is becoming alternately browner.
The researchers said, “Global greening was still present from 2001 to 2020, with an accelerated rate of 55.15% in the region, mainly concentrated in the plains of India and Europe, compared to 7.28% of browning.” It was discovered that the area is becoming greener.
Multiple linear regression analysis showed that carbon dioxide was the “primary driver” of this trend.
2019 Papers
published Published in Nature Reviews Earth & Environmental, taken up by NASA Greening has been shown to slow global warming.
The paper concludes that “vegetation models suggest that CO2 fertilization is the main driver of greening at the global scale, and that other factors are prominent at the regional scale.” “This study shows that greening can reduce global warming by increasing terrestrial carbon uptake and changing biogeophysical structure.” The process is primarily evaporative cooling. ”
Shilong Piao of Peking University, lead author of the 2019 paper, said:
Said“This greening and the cooling that comes with it is beneficial.”
“It is ironic that the very same carbon emissions that are causing harmful changes to the climate are also fueling plant growth,” said co-author Jarl Bjerke of the Norwegian Institute for Nature Research. As a result, global warming has been mitigated to some extent.”
Another recent study
published Sustainability journal One Earth found that greening “mitigated extreme daytime and nighttime temperatures.”
Despite the positive aspects of global greening, people concerned about climate change tend to view greening negatively.
Vox reviews recent research showing that more than half of the world is greening.
concluded Greening “is not inherently good; it can be very bad in some cases.”
Carl Zimmer of the New York Times
claimed A 2018 article states that a greener world is “not something to celebrate.”
Zimmer quoted an environmental scientist at the University of California, Santa Cruz, who suggested that carbon dioxide is “only a small part of the increase.”
Contrary to suggestions by Zimmer’s experts, a 2016 study found that
published In a paper in Nature Climate Change, satellite data from NASA’s Moderate-Resolution Imaging Spectrometer and the National Oceanic and Atmospheric Administration’s Advanced Very High-Resolution Radiometer instrument reveal that carbon dioxide fertilization accounts for 70% of the greening effect. I did.
While Zimmer is cynical about the benefits of greening and ostensibly wants to downplay the effects of carbon fertilization, he noted that plants remove an estimated 25 percent of the carbon that humans emit. Plants apparently emit more carbon dioxide each year. And with greening, the world will have more plants to help.
Nevertheless, Zimmer characterized the phenomenon caused by carbon emissions as follows: “It’s like hearing that chemotherapy slows tumor growth by 25 percent.”
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