Increasing the Earth’s reflectivity (a.k.a. albedo) is the fastest available lever for slowing global warming. Reducing release of greenhouse gasses, such as by reducing use of fossil fuels, is essential but will not be enough. Adding the capturing of greenhouse gases will still not be enough. While these should be pursued as quickly as practicable to the limit of their cost-effectiveness, we also need to increase Earth’s solar reflectivity to reflect energy from the Sun out to space by any method that is cost-effective and low risk.
Seven Promising Methods of Increasing Reflectivity
Dust ballistically shot from the moon can reflect sunlight
February 8, 2023
Bromley and others
ReadReflective Roofs on Shipping Containers & Trucks
March 14, 2022
ReadStart-up company plans to inject SO2 with balloons and sell carbon offsets
Stratospheric Aerosol Injection
November 23, 2022
ReadSalty Shore Brightening
January 21, 2023
Jeff Haley
ReadReflectors in space at Lagrangian L1 between the Earth and the Sun
May 20, 2020
ReadInfrared Reflective Inorganic Pigments
August 15, 2021
Brian Smoliak
ReadMarine Sky Brightening R&D Progress
September 7, 2021
Kate Murphy, Gary Cooper, Sarah Doherty, and Rob Wood
ReadReflective Cover Crops
August 20, 2022
ReadGovernment Reports on Stratospheric Aerosol Injection
Stratospheric Aerosol Injection
October 31, 2022
ReadFloating, Alkalizing, Reflective Glass Tiles
December 16, 2021
Jeff Haley and Matthew Nicklas
ReadCost-effective Reflective Shade Fabric
June 21, 2021
Larkin White
ReadBright Water
August 16, 2021
Brian Smoliak
ReadCirrus Cloud Thinning
March 14, 2022
Read>95% Reflective White Paint
March 14, 2022
ReadCool Roofs, Walls, and Pavement Reduce Peak Urban Temperatures
March 24, 2022
ReadWhy the record low Arctic sea ice this October is so alarming
October 28, 2020
Lili Pike
Read'Whitest ever' paint reflects 98% of sunlight
April 16, 2021
Victoria Gill
ReadUrban Heat: Can White Roofs Help Cool World’s Warming Cities?
November 8, 2022
Fred Pearce
ReadReflecting Sunlight: Recommendations for Solar Geoengineering Research and Research Governance
March 25, 2021
National Academies of Sciences, Engineering, and Medicine
ReadThe New Yorker on Solar Geoengineering
December 12, 2022
Bill McKibben
ReadKeeping Cool Efficiently During Heat Waves
August 11, 2020
By Jessica Scully
ReadHow Reflective Paint Can Combat The Urban Heat Island Effect
July 24, 2020
BY MARK BRODIE
ReadGive research into solar geoengineering a chance
May 12, 2021
Editorial
ReadClimate Veterans & Inventors Team Up To Launch New Tools To Cool The Earth With Reflection
October 6, 2020
Reflective Earth
ReadCool roofs help reduce heatwave impacts in Bangladesh and Indonesia
May 14, 2021
K-CEP
ReadCool roofs, cooler designs as the building industry embraces energy sustainability
June 8, 2021
Ben Ikenson
ReadAs Climate Disasters Pile Up, a Radical Proposal Gains Traction
October 28, 2020
Christopher Flavelle
ReadClimate change indicators worsened in 2020
April 20, 2021
World Meteorological Association
ReadWhy Reflectivity?
November 8, 2022
Brian Smoliak and Michel Gelobter
ReadIntroducing the Reflectivity Optimization Map
November 8, 2022
Brian Smoliak and Michel Gelobter
ReadJeff Haley: Welcome to Reflective Earth
October 7, 2020
BY JEFF HALEY
ReadAnnouncing the Reflective Earth Lab!
September 1, 2022
The RE Team
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