{"id":85267,"date":"2024-07-09T00:00:00","date_gmt":"2024-07-09T00:00:00","guid":{"rendered":"https:\/\/enterpriseam.com\/climate\/2024\/07\/09\/dna-based-aerogel-could-cool-buildings-more-efficiently\/"},"modified":"2024-07-09T00:00:00","modified_gmt":"2024-07-09T00:00:00","slug":"dna-based-aerogel-could-cool-buildings-more-efficiently","status":"publish","type":"post","link":"https:\/\/enterpriseam.com\/climate\/2024\/07\/09\/dna-based-aerogel-could-cool-buildings-more-efficiently\/","title":{"rendered":"DNA-based aerogel could cool buildings more efficiently"},"content":{"rendered":"

Cooling material made from DNA helps cut carbon emissions:<\/strong> A team of Chinese researchers has developed a biomass-derived material using DNA that can cool buildings more efficiently while reducing greenhouse gas emissions, Chinese news outlet Xinhua<\/a> reported, citing an article<\/a> published in the academic journal Science. The material \u2014 which combines DNA and gelatin into an ordered layered aerogel<\/a> structure \u2014 can reduce temperatures by up to 16\u00b0C under direct sunlight, and is repairable, recyclable, and biodegradable. <\/p>\n

What is aerogel, Enterprise? <\/strong>Aerogels are the world\u2019s lightest solid materials, composed of up to 99.98% air by volume, according to a <\/span>website<\/a>. Their porous properties make it exhibit the lowest thermal conductivity of any solid known. The material can be made of a wide variety of substances, including silica, metal oxides, organic polymers, and carbon. Aerogels provide very effective insulation since they are extremely porous, according to <\/span>NASA<\/a>.<\/span><\/p>\n

How it works:<\/strong> Combining the DNA and gelatin with aerogel converts the absorbed ultraviolet light into visible light, boosting radiative cooling properties and surpassing 100% solar reflectance<\/a> \u2014 a measure of the ability of a surface material to reflect solar radiation. \u201cThis aerogel material is poised to revolutionize the energy efficiency of urban architecture as an outer protective layer,\u201d said the paper\u2019s author Zhao Haibo.<\/p>\n

Why does this matter? <\/strong>Efficient cooling systems are crucial for reducing energy consumption and minimizing the carbon footprint<\/a> of buildings. As temperatures rise, optimizing these systems can lead to substantial energy savings and support sustainability goals. Advanced technologies and smart management systems enhance efficiency by adapting to real-time conditions, providing cooling precisely where and when needed, and eliminating waste.<\/p>\n

We need to keep up:<\/strong> The global economy\u2019s energy efficiency has been increasing by 1-2% each year<\/a> over the past decades while global economic growth stays at 3%, meaning that the rate of increased efficiency is not enough to counteract the total amount of energy the world uses.<\/p>\n

AC usage is also projected to surge:<\/strong> Electricity used for cooling is set to double by 2050<\/a>, increasing greenhouse gas emissions and accelerating global warming. About 10% of the world\u2019s greenhouse gas emissions could come from air-conditioning and other efforts to keep cool by mid-century if we continue on current electricity usage trends. <\/p>\n","protected":false},"excerpt":{"rendered":"

The aerogel can cut greenhouse gas emissions and reduce ambient temperatures by up to 16\u00b0 C under direct sunlight.<\/p>\n","protected":false},"author":1,"featured_media":85268,"comment_status":"closed","ping_status":"open","sticky":false,"template":"single-feature.php","format":"standard","meta":{"_acf_changed":false,"newspack_ads_suppress_ads":false,"newspack_popups_has_disabled_popups":false,"newspack_sponsor_sponsorship_scope":"","newspack_sponsor_native_byline_display":"inherit","newspack_sponsor_native_category_display":"inherit","newspack_sponsor_underwriter_style":"inherit","newspack_sponsor_underwriter_placement":"inherit","ep_exclude_from_search":false,"_primary_brand":0,"newspack_featured_image_position":"","newspack_post_subtitle":"","newspack_article_summary_title":"Overview:","newspack_article_summary":"","newspack_hide_updated_date":false,"newspack_show_updated_date":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[75],"tags":[199,11,95,73],"brand":[],"newspack_spnsrs_tax":[],"class_list":["post-85267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-on-your-way-out","tag-district-cooling","tag-enterpriseclimate","tag-green-tech","tag-on-your-way-out","wpautop","entry"],"acf":{"mongo_id":"f21de9de-d496-440f-8fda-dd7269ff897c","order":"9","is_powered_by":false,"story_type":"1","photo_url":"https:\/\/ent.news\/2024\/7\/624.jpg","photo_position":"above","homepage_title":"","full_issue_title":"DNA-based aerogel could cool buildings more efficiently","related_issue":[85251],"teaser":"The aerogel can cut greenhouse gas emissions and reduce ambient temperatures by up to 16\u00b0 C under direct sunlight.","voice_url":"https:\/\/s3.us-east-1.amazonaws.com\/ent.news\/audio\/2024\/7\/.6f34a4df-05c6-4062-9f91-4aed84a051d2.mp3"},"yoast_head":"\nDNA-based aerogel could cool buildings more efficiently - 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