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To limit global warming to less than 1.5 °C global greenhouse gas emissions needs to be net-zero by 2050, or by 2070 with a 2 °C target. [271] This requires far-reaching, systemic changes on an unprecedented scale in energy, land, cities, transport, buildings, and industry.
The first chapter describes the expected effects of climate change with one degree Celsius (1 °C) increase in average global temperature since pre-industrial times.. The second chapter describes the effects of two degrees average temperature and so forth until Chapter 6 which shows the expected effects of an increase of six Celsius degrees (6 °C) average global temperature.
[72] [73] For example, the UNFCCC invited the IPCC to prepare a report on global warming of 1.5 °C. The IPCC subsequently released the Special Report on Global Warming of 1.5 °C (SR15) in 2018. [74] The report showed that it was possible to keep warming below 1.5 °C during the 21st century. But this would mean deep cuts in emissions.
A controlled experiment found that reading climate fiction short stories "had small but significant positive effects on several important beliefs and attitudes about global warming – observed immediately after participants read the stories", though "these effects diminished to statistical nonsignificance after a one-month interval".
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.
Climate change has been an occasional topic in fictional cinema. [13] Nicholas Barber opined in BBC Culture that Hollywood films seldom feature climate change mechanisms due to the difficulty of tying the topic to individual characters, and due to fears of alienating audiences; instead, impacts of climate change have been more frequently depicted as a consequence of nuclear or geoengineering ...
This creates air pollution, including nitrous oxides and particulates, and is a significant contributor to global warming through emission of carbon dioxide, [276] for which transport is the fastest-growing emission sector. [277] By subsector, road transport is the largest contributor to global warming. [276]
Heaven and Earth: Global Warming — The Missing Science: Global warming: dispute of scientific consensus on climate change: Ian Plimer: 2009: ISBN 0-7043-7166-9: Hell and High Water: Global Warming — the Solution and the Politics — and What We Should Do: Global warming: evidence for dire consequences of inaction: Joseph J. Romm: 2006: ISBN ...