There is no global warming, apart from the very gradual warming that has taken place since the last Ice Age, and which is still going on. Human occupancy of planet Earth has had an effect on the climate so small, it cannot be reliably measured. It is less than the margin of error.
This, in spite of the considerable increase in the level of carbon dioxide in the air. This has indeed been due to human activity -- mostly that of India and China. And it has been wholly beneficial! It has made trees stronger and taller, greened desert regions, and best of all, enlarged the yields of our food crops.
That's right, the consequence of China and India pumping out CO2 has been to give us bigger food crop yields around the world. But it has not warmed the planet in any degree that can be measured.
Growers of vegetables and plants pump CO2 into greenhouses to increase plant growth. They have found that a CO2 level of around 900+ is optimal. The world is supposedly at 300+ now.
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