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An alternative view projects the time remaining to 2.0°C of warming. [ 1 ] [ 2 ] The clock is updated every year to reflect the latest global CO 2 emissions trend and rate of climate warming. [ 1 ] On September 20, 2021, the clock was delayed to July 28, 2028, likely because of the COP26 Conference and the land protection by indigenous peoples.
While hiatus periods have appeared in surface-air temperature records, other components of the climate system associated with warming have continued. Sea level rise has not stopped in recent years, [30] and Arctic sea ice decline has continued. There have been repeated records set for extreme surface temperatures. [31] [32] [33]
During the summer and fall of 2008, users began to post their submissions on the Earth 2100 website, and these videos were cobbled together into a Web-based narrative showing the worldwide consequences of population growth, resource depletion, and climate change.
By 2.8 billion years from now, the surface temperature of the Earth will have reached 422 K (149 °C; 300 °F), even at the poles. At this point, any remaining life will be extinguished due to the extreme conditions. What happens beyond this depends on how much water is left on the surface.
Climate change can also be used more broadly to include changes to the climate that have happened throughout Earth's history. [32] Global warming—used as early as 1975 [33] —became the more popular term after NASA climate scientist James Hansen used it in his 1988 testimony in the U.S. Senate. [34] Since the 2000s, climate change has ...
In this dramatic illustration, a meteor falls toward Earth from space. A pair of asteroids that rammed into Earth more than 35 million years ago seemingly had no climate impacts, scientists said ...
Scientists cannot predict changes to the climate with much certainty – but they can anticipate the likelihood that they will occur. Attenborough visits the Met Office in Exeter to learn their conclusions. Their findings include several factors, and allow for natural climate change as well as man-made carbon dioxide emissions.
To the question "How convinced are you that most of recent or near future climate change is, or will be, a result of anthropogenic causes?", 47.7% had very much agreed, 26% agreeing to a large extent (6), 9.8% to a small extent (2–4), and 1.9% did not agree at all (1). 46% had very much agreed that climate change "poses a very serious and ...