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From ancient times, people suspected that the climate of a region could change over the course of centuries. For example, Theophrastus, a pupil of Ancient Greek philosopher Aristotle in the 4th century BC, told how the draining of marshes had made a particular locality more susceptible to freezing, and speculated that lands became warmer when the clearing of forests exposed them to sunlight.
The book argues that if atmospheric carbon dioxide levels continue to increase at current rates, the resulting climate change will cause mass species extinctions. The book also asserts that global temperatures have already risen enough to cause the annual monsoon rains in the Sahel region of Africa to diminish, causing droughts and desertification.
The Intergovernmental Panel on Climate Change (IPCC) has organized many of the risks of climate change into five "reasons for concern." [1] [2] The reasons for concern show that these risks increase with increases in the Earth's global mean temperature (i.e., global warming).
This has led to increases in mean global temperature, or global warming. The likely range of human-induced surface-level air warming by 2010–2019 compared to levels in 1850–1900 is 0.8 °C to 1.3 °C, with a best estimate of 1.07 °C. This is close to the observed overall warming during that time of 0.9 °C to 1.2 °C.
As the planet’s surface heats up, this can cause them to thin or dissipate entirely, setting up a complicated feedback loop where low clouds are disappearing because of global warming, and their ...
Spencer R. Weart's history of The Discovery of Global Warming says that: "While neither scientists nor the public could be sure in the 1970s whether the world was warming or cooling, people were increasingly inclined to believe that global climate was on the move, and in no small way" [emphasis added]. [17]
The world temporarily surpassed the 2C warming line, going beyond the upper warming limit of the global Paris Agreement. As we hit these milestones, we have also learned that a warming planet does ...
Unstoppable Global Warming: Every 1,500 Years is a book about climate change, written by Siegfried Fred Singer and Dennis T. Avery, which asserts that natural changes, and not CO 2 emissions, are the cause of global warming. Published by Rowman & Littlefield in 2006, the book sold well and was reprinted in an updated edition in 2007.