With the development of the world's industrial economy, the rapid increase of population, the unlimited rise of human desire and the uncontrolled production and lifestyle, the world's climate is facing more and more serious problems, carbon dioxide emissions are increasing, the earth's ozone layer is suffering from an unprecedented crisis, the global catastrophic climate change occurs repeatedly, has seriously endangered the living environment and health and safety of human beings, even the rapid growth or expansion of GDP that mankind was once proud of is "greatly reduced" because of environmental pollution and climate change. Moreover, the resulting climate problem is already a challenge for all mankind. Bill McGurl, a world-renowned natural disaster expert and professor of geophysics at the University of London in the United Kingdom, declared in his new book ''7 Years to Save the Planet'' that if greenhouse gases cannot be controlled in 7 years from now, then the earth will In an irreversible vicious circle, various disasters including wars, plagues, droughts, floods, famines, and hurricanes will sweep the earth. The seven-year rescue period has almost passed three years, and our time is becoming more and more urgent. Fortunately, we already know the way to save-reduce carbon emissions and increase carbon sequestration capacity.