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X @The Economist
The Economist· 2025-08-07 21:20
Global warming is expected to impede the fight against malaria, with most of the harm concentrated in Africa. Countries are already scrambling to adapt https://t.co/an87b2sRdP ...
When the ocean turns white | Mannat Srivastav | TEDxWestbourne Grammar Youth
TEDx Talks· 2025-07-15 16:27
Imagine [Applause] waking up one in the morning and when you step outside, everything is white. The sky is white, the trees are white, the flower in your neighbor's garden is white. Like all the color in your world has suddenly been drained away.You'd think something was dangerously wrong. I've walked the ocean for a very long time. I've been snorkeling once near the Great Barrier Reef.Just diving in and being surrounded by a forest full of coral sounds like the ideal holiday. But it's scary to think that w ...
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]
X @Bloomberg
Bloomberg· 2025-06-27 12:32
This week major climate events in Bonn and London were held as military conflicts escalated across the Middle East. Today’s Green Daily newsletter looks at how delegates maintained focus on the continuing threat of global warming https://t.co/rGykDl7EBB ...
Walls can Speak Too | Giorgi Gagoshidze | TEDxTSMU
TEDx Talks· 2025-06-16 16:12
[Music] [Applause] [Music] This piece I did it on abandoned railways. station in Surami. Imagine a place long forgotten where nothing remains for use. They try their luck in a bigger louder cities. There is kind of stillness there but not a peaceful one. On a contrary a silent heavy one that grows when hope starts to fade. The wall says I am the wall and I can't. But you, this rhetorical question, simple as it is, has power. It does not scream, but it stirs. It becomes a fume for those who feel frustrated, ...