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How to Cool the Planet by Capturing Contrails | Dr Sarah Qureshi | TEDxFaisalabad Medical University
TEDx Talks· 2025-07-11 16:22
Aviation Industry & Environmental Impact - Aviation industry faces the challenge of reducing pollution, specifically moving from zero carbon (no CO2 emissions) to zero emissions (no CO2 and non-carbon emissions) [5][6] - Burning hydrocarbon fuel produces both carbon dioxide and water vapor, with water vapor behaving as a greenhouse gas in the atmosphere [4] - Contrails, or condensation trails, are artificial clouds formed by the freezing of water vapor released from aircraft engines, contributing to global warming by creating a heat-trapping blanket [6][7][10] - Contrails cover is increasing, with projections showing a significant rise in artificial cloud coverage by 2050 compared to 1992 [13] - Aviation's annual fuel burn is 4 billion tons, releasing 5 billion tons of water vapor, with 50% (2.5 billion tons) forming contrails, disrupting the earth's ecosystem [14] - Global warming heat signature from contrails is equivalent to 1 trillion watts, which is one-third of the world's annual electricity consumption [11] Technological Solutions & Innovation - Various technologies are being explored to reduce aviation pollution, including hybrid-electric, all-electric, liquid hydrogen burning, hydrogen fuel cells, ammonia fuel combustion, and sustainable aviation fuels [15][16][17] - Battery technology limitations hinder the development of large-scale electric aircraft, necessitating a combination of technologies [17][18] - A company has developed an add-on turbo machinery for jet engines to process exhaust emissions, converting water vapor into liquid water for later release as artificial rainfall, aiming to eliminate contrails [19][22] - The company's technology is at Technology Readiness Level (TRL) stages, progressing from basic concept and simulation (TRL 1-3) to lab testing (TRL 4-5) and eventually flight testing (TRL 9) for commercialization [26][27] Business & Market Strategy - The company aims to provide an alternate technology to reduce pollution in the sky, enabling regulations on emissions of smoke [34] - The company targets engine manufacturers, aircraft manufacturers, and airlines as potential adopters of its contrail-free engine technology [29][31] - Airlines can potentially create artificial rainfall, obtain carbon credits, and support environmental agencies' regulations by adopting the technology [34]
FLSmidth signs agreement to sell its corporate headquarters for a total net cash gain of DKK 730 million
Globenewswire· 2025-06-17 10:45
Core Viewpoint - FLSmidth has entered into a share purchase agreement to sell its subsidiary owning land and buildings in Valby, Denmark, marking a significant transition as the company prepares to relocate its headquarters [1][2]. Group 1: Transaction Details - The expected net cash proceeds from the sale are approximately DKK 730 million, to be received in full upon closing of the transaction, anticipated at the end of Q1 2026 [2]. - The expected accounting gain from the transaction is around DKK 690 million [2]. - The transaction is subject to approval by the Danish Consumer and Competition Authority [2]. Group 2: Financial Implications - The net cash proceeds will be allocated according to the company's general capital allocation priorities and for general corporate purposes [3]. - The transaction does not alter FLSmidth's previously communicated financial guidance for the full year 2025 [3]. Group 3: Company Background - FLSmidth has been based in Valby, Copenhagen since 1899, with its current headquarters established in 1956 [1]. - The company plans to relocate to a new corporate headquarters at Havneholmen in Copenhagen, scheduled for late 2025 [1].