Water Quality

Search documents
Smart Cities Can't Afford Dumb Water | Pauli Undesser | TEDxFolsom
TEDx Talks· 2025-09-19 15:27
Water Quality Concerns & Challenges - 行业研究表明,99% 的处理饮用水被用于非饮用目的,被称为“dumb water”[1] - 行业专家指出,水中存在超过 15,000 种全氟/多氟烷基物质 (PFAS),但目前仅监管其中的 6 种,导致更纯净的水被用于冲厕等用途 [2][3] - 行业数据显示,每年约有 20% 的处理水在输送过程中泄漏,相当于 33 万亿加仑的损失 [4] - 公共供水系统面临资金压力,联邦资金预计将削减三分之二,难以有效解决水资源浪费问题 [5] Proposed Solutions: Smart Water Systems - 行业呼吁采用智能水解决方案,通过可持续技术在需要时对水进行处理 [7] - 行业建议利用传感器技术测量水中的污染物,并评估水处理技术的性能 [8] - 行业强调智能水解决方案应具有可定制性,以满足不同地区、家庭和个人的需求 [9] - 美国水务协会 (AWWA) 的 Water 2050 倡议将“fit-for-purpose”设计水或智能水系统视为解决水资源挑战的关键技术创新 [11] Call to Action & Overcoming Barriers - 行业报告显示,消费者对水质感到担忧,但对复杂的水处理方案感到困惑 [19] - 行业专家认为,接入家庭和操作复杂性(如更换滤芯)是智能水解决方案推广的主要障碍,需要简化监管 [19] - 行业呼吁公众阅读年度水质报告,检测家庭用水,并在发现问题时咨询专业人士 [22][23] - 行业倡导通过立法(如 Healthy H2O Act)为家庭和社区提供资金支持,以应对水质挑战 [24]
Pink dye used to track pollution, currents, at California beach
NBC News· 2025-09-16 11:13
Santa Monica Beach getting a temporary makeover today with the water. That's not your eyes deceiving you. That's not your phone or your TV. That's pink. It's turning pink in the name of science.Researchers spread some of this dye. They say it's non-toxic in the ocean to study water quality, currents. The pigment washed away after just a few hours, but it's going to be back next week.They're adding more pink dye as this project continues. It's rather Barbie-esque there outside. ...
Every Drop of Water Counts... | Mr. Aditya Upadhyay | TEDxPeoples University
TEDx Talks· 2025-08-12 15:17
Problem Statement & Motivation - Only 25% of the world's water is directly usable, highlighting the scarcity of fresh water resources [1] - 60% of freshwater bodies are currently polluted, leading to thousands of deaths annually from diseases like typhoid, cholera, and hepatitis [3] - Current water testing processes are slow, expensive, and centralized, hindering timely intervention [3] Solution & Technology - Hydro is a smart device that automates the entire water testing process, enabling real-time monitoring of contamination levels, pH imbalance, and oxygen levels via a smartphone [3] - The device achieves 9536% accuracy in water quality testing [3] - The device can perform tests four times a day, a significant improvement over the traditional method of four times a year [3] Impact & Vision - Smart water technologies can potentially save 15 million lives and \$260 billion globally each year [5] - In India, using such technologies could save \$600 million annually [5] - The company aims to support the government and public health sector in providing clean water to every citizen by 2030 [5] Challenges & Overcoming Obstacles - Initial resistance from authorities was overcome by demonstrating the device's impact [5] - The inventor faced skepticism about entering the water sector with a mechanical engineering background [2] - A real-world example demonstrated how the device detected a leak in a water tank, preventing contamination and saving the lives of 700 people [5]
Nephros(NEPH) - 2025 Q2 - Earnings Call Transcript
2025-08-07 21:30
Financial Data and Key Metrics Changes - The trailing twelve-month revenue increased from $13.8 million to $16.7 million, reflecting a strong growth trajectory [5] - Net revenue for Q2 reached $4.4 million, up 36% compared to Q2 2024, marking the third consecutive quarter of profitability [6][9] - For the first half of 2025, revenue increased by 37% to $9.2 million from the prior year period [12] - Gross margins improved to 63% in Q2 2025 from 59% in Q2 2024, driven by reduced shipping costs and inventory reserve adjustments [10] - Net income for Q2 was $237,000, compared to a net loss of $289,000 in the same period last year [11] - Adjusted EBITDA for Q2 was positive $355,000, compared to a loss of $133,000 during the same period in 2024 [11] Business Line Data and Key Metrics Changes - The core programmatic business experienced a 40% compound growth over the past two years [7] - Protonight sales reached all-time highs, indicating the effectiveness of the recurring revenue model [7] - Active customer sites grew to over 1,600 as of June 30, 2025, slightly higher than March 31, 2025 [10] Market Data and Key Metrics Changes - Every region outperformed its first-half targets, reinforcing the resilience and scalability of the business [6] - The company is focusing on expanding into underserved verticals such as dental, government, and municipal facilities [8] Company Strategy and Development Direction - The company aims to bring new innovations to market, including the S100 micro filter and 20-inch Hydro Guard, unlocking opportunities across various sectors [8] - The strategic expansion of the sales team into non-healthcare verticals has begun to yield positive results [7] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the sustainability of growth, attributing it to a combination of initiatives including the filter tracking app and enhanced service capabilities [20][22] - The company is focused on maintaining operational discipline while continuing to protect profitability [8] Other Important Information - Research and development expenses increased to $311,000 in Q2 2025 due to higher headcount [10] - Sales, general, and administrative expenses rose by 13% to $2.2 million, driven by higher sales commissions and employee bonuses [11] Q&A Session Summary Question: What initiatives contributed to the growth in customer retention and active sites? - Management attributed growth to a combination of the filter tracking app, service capabilities, and a focused sales team that enhances customer relationships [20][22] Question: Is the current sales force sufficient to pursue growth in new verticals? - Management acknowledged the need for an expanded sales force to effectively cover both existing customers and pursue new opportunities in different verticals [24][26]
The Ganga Reimagined with Technology | Harshitha V | TEDxThe NGP School Coimbatore
TEDx Talks· 2025-07-28 16:19
Ganga River's Significance & Challenges - The Ganga River attracts 20 million tourists annually, representing approximately 1.2% of India's total tourism [1] - The river is an economic powerhouse, generating nearly 168 亿 (16.8 billion) 美元收入 and over 60 万 (600,000) jobs [3] - Industrial discharge, untreated sewage, and toxic runoff are polluting the Ganga, threatening its biodiversity [4] AI-Driven Solutions for River Restoration - AI-powered sensors and cameras can monitor the river's pH levels, oxygen content, and turbidity in real-time, providing early warnings [6] - AI-driven robotic boats can collect waste from the river's surface and depths without human intervention [7] - AI technology, similar to that used in New York City's water supply monitoring, can be applied to the Ganga [8] Call to Action & Future Vision - The industry emphasizes that technology alone is insufficient; accountability and a shared responsibility are crucial [11] - The industry calls for collaboration between NGOs, AI technology providers, and influential leaders for river cleanup [11] - The industry envisions a future where the Ganga's waters are clean, its biodiversity flourishes, and it regains its purity [9][10][12]
How oysters keep me optimistic | Laura Solomon | TEDxSavannah
TEDx Talks· 2025-06-23 15:42
Business Overview - The company focuses on oyster farming, aiming to increase the presence of local oysters on menus and expand the oyster farming industry [2][3] - The company's oyster farming requires no external inputs like feed, fertilizer, or chemicals, relying solely on the tide and time [7] - The company sorts oysters to manage density, minimize competition, and protect their shape, delivering them to local restaurants after 12-15 months of growth [9] Regulatory and Environmental Impact - In 2019, the state passed legislation to create a regulatory framework for floating oyster farms, with leases issued in 2021 [4] - Oyster reefs, which protect marshes, have been in decline since the 1970s [14] - Adult oysters can filter over 50 gallons (approximately 189 liters) of water per day [14] Community and Education - The company partners with chefs, other farmers, and scientists, sharing a passion for a common goal [6] - The company partners with students and the community to educate them about the impact of oysters and their role in the ecosystem [16][17] - The company uses the story of the oyster to explore its intersection with math, science, history, culture, identity, and climate [17]