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Limiting Global Temperature Rise with Floating Mirrors on Equatorial Waters

	International Journal of Scientific Research and Engineering Development (IJSRED)	Full Text:
	Published Issue : Volume-4 Issue-2
	Year of Publication : 2021
	Unique Identification Number : IJSRED-V4I2P63
	Authors : Robert T.V. Kung
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Abstract :

The long-term solution to global climate warming is the necessary transition from a primarily fossil fuel economy to renewable energy sources. Recent IPCC (Intergovernmental Panel on Climate Change) Special Report emphasizes the need to limit global temperature increase relative to pre-industrial level to 1.5oC. A previous target had been a limit of 2oC rise via the IPCC RCP (Representative Concentration Pathway) 2.6. The more stringent target of 1.5oC requires reduction of Green House Gas(GHG) emissions to near zeroaround mid-century. Failure to limit temperature rise may result in positive feedback such as ice shelf melting a factor affecting global albedo that could further accelerate warming. There are tools available to climate management that can be implemented to mitigate such potential runaway scenario. We propose here a solar radiation reduction approach that can be easily deployed and recalled. The basic concept is the deployment of floating mirrors near the equatorial international waters. We describe the design of such mirrors and features that would confine the mirror positions within a narrow bandof the equatorial region. An example for an~1oC reduction is described.