Results 61 to 70 of about 397,928 (315)

Cool Kitchen: Processing Starch and Eggshell Powder into Sustainable Coatings for Passive Daytime Cooling

open access: yesAdvanced Functional Materials, EarlyView.
A food‐grade cooling composite made from starch and recycled eggshell powder offers a scalable, ultra‐low‐cost solution for passive daytime radiative cooling. Easily prepared using basic kitchen tools, this material empowers communities, even in areas with limited infrastructure, to stay cooler during worsening summer heat waves.
Qimeng Song   +3 more
wiley   +1 more source

Spatial and Seasonal Variation and the Driving Mechanism of the Thermal Effects of Urban Park Green Spaces in Zhengzhou, China

open access: yesLand
Greenscaping, a key sustainable practice, helps cities combat rising temperatures and climate change. Urban parks, a pivotal greenscaping element, mitigate the urban heat island (UHI) effect.
Yuan Feng   +14 more
doaj   +1 more source

URBAN WILDERNESS AND PARKS [PDF]

open access: yes, 2002
Grade Level(s): 9-12To increase student awareness of the need for and the problems of wilderness areas which are located close to urban centers.Penn High School Mishawaka ...
Geyer, Dave
core  

Ectomycorrhizal Fungal Communities in Urban Parks Are Similar to Those in Natural Forests but Shaped by Vegetation and Park Age [PDF]

open access: yes, 2017
Ectomycorrhizal (ECM) fungi are important mutualists for the growth and health of most boreal trees. Forest age and its host species composition can impact the composition of ECM fungal communities.
Francini, Gaia   +5 more
core   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

Valuation of Urban Parks Under the Three-Level Park System in Shenzhen: A Hedonic Analysis

open access: yesLand
Urban parks play a pivotal role in fostering ecologically advanced cities in China, contributing significantly to enhancing urban environments and the overall quality of life for residents. However, their value is often hard to quantify by urban planners
Xun Li   +4 more
doaj   +1 more source

Parks & Equity: A Framework for Equitable Access in Richmond, VA Parks [PDF]

open access: yes, 2020
Increasingly, cities are investing in their green spaces, such as open spaces and parks, as a strategy to improve the livability of the city, but also to improve the health of its residents.
Norrell, Kendra
core   +1 more source

Variability in concentrations of potentially toxic elements in urban parks from six European cities [PDF]

open access: yes, 2006
Use of a harmonised sampling regime has allowed comparison of concentrations of copper, chromium, nickel, lead and zinc in six urban parks located in different European cities differing markedly in their climate and industrial history.
Ajmone-Marsanb, F.   +15 more
core   +2 more sources

Joint Control of Radiated and Surface Waves via Space‐Time Coding Metasurfaces

open access: yesAdvanced Functional Materials, EarlyView.
A unified space‐time coding metasurface platform enables simultaneous control of radiated and surface‐confined waves across multiple harmonics. Demonstrated functionalities include multi‐frequency beam shaping; surface‐wave excitation, and hybrid multiplexing.
Zihao Dai   +6 more
wiley   +1 more source

How do residents perceive urban parks? A cross-geographic comparison based on online reviews

open access: yesFrontiers of Architectural Research
Clarifying the quality elements that have a significant impact on public perception is a prerequisite for improving the quality of parks, and comparative cross-regional studies can help to identify local landscape preferences and formulate specialized ...
Lijuan Yang, Qiuhong Wu
doaj   +1 more source

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