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Bright White Ceramic Cools Buildings By Reflecting 99.6% of Light
Increasing Local Albedo Part I
Version francais Version Espagnola
More on Calculating Albedo Effect
| Surface | Albedo |
| Corrugated Roof | 0.1-0.15 |
| Trees | 0.15-0.18 |
| Alsphalt | 0.1 |
| Concrete | 0.4 |
| Ocean | 0.06 |
| Ice | 0.8 |
| Cirrus cloud | 0.2 |
| Thunder cloud (cumulonimbus) | 0.8 |
| Altostratus cloud | 0.35 |
| Stratus cloud | 0.4 |
| Snow | 0.9 |
| Polished aluminium | 0.99 |
| Desert sand | 0.4 |
| Soil | 0.05 |
| white gypsum | 0.85 |
| Special polymer paint | 0.98 |
| Special foams | 0.75 |
Now that the CO2 concentration is rising, the atmosphere is not letting as much heat radiate out to space as it used to, and this is changing climate. By enhancing Albedo we can help Earth shed the heat it is accumulating. This is very important for life, especially of plants, that we need to capture back the CO2.
If we work around the world to increase Albedo where we are we can regain control over our environment, and cool it down to where it can both produce food and capture CO2. This website is to help you find the best way where you are. There are new materials with 95%+ reflectance, and we hope we can make those widely available or instruct you how to maximize the effectiveness of the materials you use. The important thing is to start looking for opportunities to use white surfaces, because they also save a lot of aircondioning emissions.
“An experiment conducted in western Athens found that brightening of asphalt and concrete pavements reduced ambient temperature by 7.5 degrees and 6.1 degrees Celsius respectively.” (link)
“A recent study in Los Angeles County analyzed the energy savings of modestly increasing roof albedo, finding that this could produce savings from reduced energy use of 23% to 40%, making cool roofs a financially attractive option.”
Patent for highly reflective polymer 1