Energy Efficiency
Earth911 has released an updated buyer's guide for sustainable roofing materials in 2026, highlighting eco-friendly options and recent industry advancements. The guide evaluates common materials like asphalt shingles and metal roofs based on longevity, energy efficiency, and recycling practices. It notes key changes since 2019, including the end of the ENERGY STAR roofing program and progress in shingle recycling.
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Microsoft is investigating high-temperature superconductors to improve cooling in future data centers. This approach aims to reduce energy waste and enable denser power delivery. The technology could avoid the need to expand substations or feeders.
Refrigerators contribute about 4% of a home's carbon emissions, equivalent to 89 kg of CO2 per year. Recent updates highlight ways to lower this impact through maintenance, efficient settings and choosing low-GWP models. Global efforts, including the Kigali Amendment, aim to phase out high-impact refrigerants by 2036.
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Researchers have developed a colour e-paper technology that displays high-resolution images and video while using very low energy. This innovation could pave the way for more efficient screens in future smartphones and devices. The technique relies on tungsten oxide nanodiscs to achieve vibrant colours without constant power.