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But industry experts say governments need to offer incentives for companies to bring sustainable AC technologies to market and scale up. Removing humidity requires cooling air to the point at which water vapour becomes a liquid to be drained. This inability to get rid of humidity without first cooling the air makes conventional ACs less efficient. The company's AC prototype uses these materials to dry out air, aiming to produce fewer emissions than traditional ACs. More than 1 billion people living in warm climates still lack access to cooling, according to nonprofit Sustainable Energy for All.

Persons: Pedro Rodriguez, Susana Vera, We've, Lily Riahi, Riahi, Sorin Grama, Grama, Gree, Daikin, Miki Yamanaka, Larissa Gross, UNEP's Riahi, Baolong Wang, Wang, Xavier Moya, Gloria Dickie, Katy Daigle, Simon Jessop, Josie Kao Organizations: Puerta del, REUTERS, Rights, International Energy Agency, United Nations Environment Programme's, Cool Coalition, Massachusetts Institute of Technology, Daikin's Global Environment Center, Sustainable Energy, Tsinghua University, University of Cambridge, Reuters, Thomson Locations: Puerta del Sol, Madrid, Spain, Seville, Europe, Spanish, Beijing, Indonesia, Britain, U.S

The Global Cooling Pledge – set to be announced at the upcoming United Nations climate summit, COP28 – represents a tough request given the cooling industry is only expected to grow. The emissions from both the refrigerants and the energy used in cooling now account for about 7% of global greenhouse gas emissions, and are expected to triple by 2050 as temperatures continue to rise. "We need cooling, but it has to become more efficient," UNEP Cool Coalition global coordinator Lily Riahi said. Another 13 commitments outlined in the draft pledge include establishing minimum energy performance standards for air conditioning by 2030, and including cooling emissions in countries' overall climate action plans, called Nationally Determined Contributions. The UNEP estimates that global efforts to tackle cooling emissions could have a significant impact by 2050, avoiding the release of up to 86 billion metric tonnes of carbon dioxide equivalent.

Persons: Tyrone Siu, –, Noah Horowitz, Lily Riahi, Gloria Dickie, Katy Daigle, Alexandra Hudson Organizations: China Import, Export Fair, Canton Fair, REUTERS, Reuters, United, Programme's, Cool Coalition, International Energy Agency, UNEP, Coalition, Alexandra Hudson Our, Thomson Locations: Canton, Guangzhou, China, India, United States, Nations, United Arab Emirates, Kigali, Montreal, Dubai, London

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