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English: Two charts of global average temperature over respective time periods: 2,000 years and 139 years, showing current global warming in perspective. SOURCES (and related explanations): 1. Top chart (2,000 years): Wikimedia image file File:Temperature reconstruction last two millennia.svg by User talk:Femkemilene; 2. Bottom chart (139 years):
A 1,000-kilometre diameter lens is sufficient, and much smaller than what is shown in this simplified image. As a Fresnel lens it would be only a few millimeters thick. A space sunshade or sunshield is something that diverts or otherwise reduces some of the Sun's radiation , preventing it from hitting the Earth and thereby reducing its ...
This could be a potential tool to reduce global warming. [2] Cirrus cloud thinning is an alternative category of climate engineering, in addition to solar radiation management. In 2021 the IPCC described CCT as a proposal "to reduce the amount of cirrus clouds by injecting ice nucleating substances in the upper troposphere." However it reported ...
The overall impact of clouds on global climate depends on factors such as cloud type, altitude, thickness, and the amount of water or ice they contain. Thin, high-altitude cirrus clouds tend to have a net warming effect, since they allow incoming solar radiation to pass through while trapping heat radiating from the Earth's surface.
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Marine cloud brightening: a proposed technique that would make clouds brighter, reflecting a small fraction of incoming sunlight back into space in order to offset anthropogenic global warming. [16] Mirrors in space (MIS): satellites that are designed to change the amount of solar radiation that impacts the Earth as a form of climate engineering.
Hawkins, Ed, 2018 visualisation update / Warming stripes for 1850-2018 using the WMO annual global temperature dataset.. Climate Lab Book (4 December 2018). Archived from the original on 17 April 2019. "LICENSE / Creative Commons License / These blog pages & images are licensed under a Creative Commons Attribution-ShareAlike 4.0 International ...
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