New Cement Makes Buildings 5°C Colder – Vietnam
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Researchers Develop Cement That Coudl Eliminate Air Conditioning Needs
A new type of cement, developed by researchers, has the potential to drastically reduce or even eliminate the need for air conditioning in buildings, offering a lasting solution to combat rising global temperatures.This innovation focuses on creating a material that reflects more sunlight and emits heat more efficiently.
Published August 24, 2024, 05:15:30 AM
The Problem: buildings and the Urban Heat island Effect
Buildings are notable contributors to the “urban heat island” effect, where cities experience substantially warmer temperatures than surrounding rural areas. Conventional building materials, like dark-colored concrete, absorb a large amount of sunlight and retain heat, exacerbating this problem. This leads to increased energy consumption for air conditioning, further contributing to greenhouse gas emissions.According to the U.S. Department of Energy, urban heat islands can raise temperatures by 1-7°F (0.6-3.9°C) compared to surrounding areas.
The demand for cooling is projected to increase dramatically in the coming decades, particularly in developing countries. The International Energy Agency (IEA) estimates that global energy demand for cooling will triple by 2050.
The Solution: Highly Reflective Cement
Researchers are developing a new type of cement that addresses these issues by significantly increasing reflectivity and emissivity. This cement, detailed in