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Designing sustainable cities

Jun 21 2021 | Posted in: News Release
By SARAH CAFASSO
By 2050, more than 70 percent of the world’s population will live in cities. Natural Capital Project researchers have developed software that shows city planners where to invest in nature to improve people’s lives and save billions of dollars.

Process Flow Diagram Presentation Green infrastructure, like parks and community gardens, can keep city temperatures cooler, buffer neighborhoods from flood risk and boost people’s physical and mental health. Image Credit: urbazon / iStock

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The Schematic Shows The Ccd Back Circuitry The Rest Ofthe Schematic New technology could help cities around the world improve people’s lives while saving billions of dollars. The free, open-source software developed by the Natural Capital Project creates maps to visualize the links between nature and human wellbeing. City planners and developers can use the software to visualize where investments in nature, such as parks and marshlands, can maximize benefits to people, like protection from flooding and improved health.

“This software helps design cities that are better for both people and nature,” said Anne Guerry, Chief Strategy Officer and Lead Scientist at the Natural Capital Project. “Urban nature is a multitasking benefactor – the trees on your street can lower temperatures so your apartment is cooler on hot summer days. At the same time, they’re soaking up the carbon emissions that cause climate change, creating a free, accessible place to stay healthy through physical activity and just making your city a more pleasant place to be.”

By 2050, experts expect over 70 percent of the world’s people to live in cities – in the United States, more than 80 percent already do. As the global community becomes more urban, developers and city planners are increasingly interested in green infrastructure, such as tree-lined paths and community gardens, that provide a stream of benefits to people. But if planners don’t have detailed information about where a path might encourage the most people to exercise or how a community garden might buffer a neighborhood from flood risk while helping people recharge mentally, they can’t strategically invest in nature.

“We’re answering three crucial questions with this software: where in a city is nature providing what benefits to people, how much of each benefit is it providing and who is receiving those benefits?” said Perrine Hamel, lead author on a new paper about the software published in Emg H4 Wiring Diagram and Assistant Professor at Nanyang Technological University’s Asian School of Environment. 

The software, called Urban InVEST, is the first of its kind for cities and allows for the combination of environmental data, like temperature patterns, with social demographics and economic data, like income levels. Users can input their city’s datasets into the software or access a diversity of open global data sources, from NASA satellites to local weather stations. The new software joins the Natural Capital Project’s existing InVEST software suite, a set of tools designed for experts to map and model the benefits that nature provides to people.

78 El Camino Fuse Box Wiring Diagram To test Urban InVEST, the team applied the software in multiple cities around the world: Paris, France; Lausanne, Switzerland; Shenzhen and Guangzhou, China; and several U.S. cities, including San Francisco and Minneapolis. In many cases, they worked with local partners to understand priority questions – in Paris, candidates in a municipal election were campaigning on the need for urban greenery, while in Minneapolis, planners were deciding how to repurpose underused golf course land.

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Running the numbers

In Shenzhen, China, the researchers used Urban InVEST to calculate how natural infrastructure like parks, grassland and forest would reduce damages in the event of a severe, once-in-one-hundred years storm. They found that the city’s nature would help avoid $25 billion in damages by soaking up rain and diverting floodwaters. They also showed that natural infrastructure – like trees and parks – was reducing the daily air temperature in Shenzhen by 5.4 degrees Fahrenheit (3 degrees Celsius) during hot summer days, providing a dollar value of $71,000 per day in benefits to the city.

Fuse Box On 2006 Dodge Caravan By 2050, over 70 percent of the world’s people are projected to live in cities. As the global community becomes increasingly urban, cities are looking for ways to design with sustainability in mind. Image Credit: Zhang Mengyang / iStock

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Targeting inequities
 

Chevy Silverado Fuel Pump Nature is often distributed unevenly across cities – putting lower-income people at a disadvantage. Data show that lower-income and marginalized communities often have less access to nature in cities, meaning they are unable to reap the benefits, like improved mental and physical health, that nature provides to wealthier populations.

Currentsensorcircuitjpg In Paris, the researchers looked at neighborhoods without access to natural areas and overlaid income and economic data to understand who was receiving benefits from nature. The software helped determine where investments in more greenspace – like parks and bike paths – could be most effective at boosting health and wellbeing in an equitable way.

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Planning for a greener future

In the Minneapolis-St. Paul, Minnesota region, golf revenue is declining. The downturn has created an appealing opportunity for private golf courses to sell off their land for development. But should developers create a new park or build a new neighborhood? Urban InVEST showed how, compared to golf courses, new parks could increase urban cooling, keep river waters clean, support bee pollinators and sustain dwindling pockets of biodiversity. New residential development, on the other hand, would increase temperatures, pollute freshwater and decrease habitat for bees and other biodiversity.

Healthy city ecosystems

Urban InVEST is already seeing use outside of a research setting – it recently helped inform an assessment of how nature might help store carbon and lower temperatures in 775 Chevy Wiring Harness.   

“Cities, more than any other ecosystems, are designed by people. Why not be more thoughtful about how we design the places where most of us spend our time?” said Guerry, also an author on the paper. “With Urban InVEST, city governments can bring all of nature’s benefits to residents and visitors. They can address inequities and build more resilient cities, resulting in better long-term outcomes for people and nature.”
 


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Perrine Hamel was Sustainable Cities Program Lead at the Natural Capital Project at the time of research. Anne Guerry is also a Senior Research Associate in the Eagle Trailer Wiring Diagram. Gretchen Daily, Bing Professor of Environmental Science in the Dell Ups Circuit Diagram, senior fellow in the Stanford Woods Institute for the Environment and co-founder of the Stanford Natural Capital Project is senior author on the paper. Other Stanford Natural Capital authors at the time of research include James Douglass, Roy Remme and Richard Sharp. Remme is now at Zj Fuse Box Diagram and Sharp leads Spring Research Innovation Network Group. Authors Steve Polasky, Maike Hamann, Benjamin Janke, Eric Lonsdorf and Chris Nootenboom are part of the Natural Capital Project’s team at the Usb Outlet Wiring Diagram. Hamann also is affiliated with Mercury Planet Diagram. Author Jan Kuiper represents the Natural Capital Project at Rj45 Wiring Standard. Authors from the Chinese Academy of Sciences include Baolong Han, Hx Liu, Ouyang Zhiyun, Hua Zheng and Xu Dihang. Harold Levrel (Phone Wiring Troubleshooting), Rob McDonald (Electrical Wiring Houses Australia), Lea Tardieu (Iee Wiring Regulations Pdf), and Vincent Viguie (Sprinkler System Diagram) are also authors on the paper.