Sentences with phrase «urban trees in»

The present median benefit value from urban trees in all 10 megacities can be estimated as $ 482 million / yr due to reductions in CO, NO2, SO2, PM10, and PM2.5, $ 11 million / yr due to avoided stormwater processing by wastewater facilities, $ 0.5 million / yr due to building energy heating and cooling savings, and $ 8 million / yr due to CO2 sequestration.

Climate change accelerates growth of urban trees in metropolises worldwide.

It is a sad irony that at the same time as Zaraska notes the value of urban trees in dealing with pollutants, a council contractor in Sheffield, UK, is busy cutting down hundreds of trees in the city streets.

Not exact matches

All Tree Beer proceeds will benefit FGRP's Grand Rapids Urban Forest Project for tree plantings in the communTree Beer proceeds will benefit FGRP's Grand Rapids Urban Forest Project for tree plantings in the communtree plantings in the community.

Gardener: Holly Morton Garden Location and Zone: Minneapolis, MN Zone 4a Garden Size: Our urban garden consists of a main 30x40 veggie patch, multiple other beds around the house where we squeeze herbs and more veggies in, fruit trees in the lawn, and berry bushes that line the border of our property.

Steve Sullivan, Senior Curator of Urban Ecology at Notebaert Nature Museum: When you're flying along as a bird during the day and you see a pane of glass in front of you, that glass is often reflecting trees and sky.

This year, students are try to answer the question «Why are big trees important, especially in an urban ecosystem?»

The Park District will replace the Ash Trees with a variety of trees in an effort to diversify its urban forest and in order to lessen the future impact of insect or disTrees with a variety of trees in an effort to diversify its urban forest and in order to lessen the future impact of insect or distrees in an effort to diversify its urban forest and in order to lessen the future impact of insect or disease.

Born in the city and raised with the luxuries associated with urban living, I have never been one for camping, hiking in the woods, or climbing trees in apple orchards.

The Arbor Day Foundation has once again named the City of North Tonawanda «2017 Tree City USA» in honor of its commitment to effective urban forest management.

The Kumasi Metropolitan Assembly (KMA) is set to reward school children who partake in the assembly's «Me and my tree competition», which forms part of the Kumasi Urban Forestry Project.

«Recent studies found that scale insect populations increase on oak and maple trees in warmer urban areas, which raises the possibility that these pests may also increase with global warming,» says Dr. Elsa Youngsteadt, a research associate at NC State and lead author of a paper on the work.

Insufficient water not only harms trees, but allows other problems to have an outsized effect on trees in urban environments.

«We would see some vibrant urban trees covered in scale insects, but we'd also see other clearly stressed and struggling urban trees covered in scale insects,» says Emily Meineke, a postdoctoral researcher at Harvard and first author of a paper on the study.

The harmful impact of urban air pollution could be combated by strategically placing low hedges along roads in a built - up environment of cities instead of taller trees, a new study has found.

But, urban trees grew even faster, by as much as 25 %, compared with trees of the same age outside the cities, the team reports this week in Scientific Reports.

This is why we need to protect buildings as well as humans in cities in future urban planning, so the strategic placing of hedges, trees and other green infrastructure can have a direct benefit as an air pollution control measure in cities.»

«Cities need to «green up» to reduce impact of air pollution: The harmful impact of urban air pollution could be combated by strategically placing low hedges along roads in a built - up environment of cities instead of taller trees, a new study has found.»

«We wanted to look at the most important pest species of the most common tree species in urban areas of the southeastern United States,» says Dr. Steve Frank, an assistant professor of entomology at NC State and senior author of the papers.

The study into the impact of urban greenery on asthma suggests that respiratory health can be improved by the expansion of tree cover in very polluted urban neighbourhoods.

«Asthma attacks reduced in tree - lined urban neighborhoods.»

One factor is that researchers have found warmer temperatures increase the number of young produced by the gloomy scale insect — a significant tree pest — by 300 percent, which in turn leads to 200 times more adult gloomy scales on urban trees.

People living in polluted urban areas are far less likely to be admitted to hospital with asthma when there are lots of trees in their neighbourhood, a study by the University of Exeter's medical school has found.

In relatively unpolluted urban neighbourhoods trees did not have the same impact.

In a typical urban area with a high level of background air pollution — for example, around 15 micrograms of fine particulate matter (PM2.5) per cubic metre, or a nitrogen dioxide concentration around 33 micrograms per cubic metre — an extra 300 trees per square kilometre was associated with around 50 fewer emergency asthma cases per 100,000 residents over the 15 year study period.

Marek Urban and colleagues at the University of Southern Mississippi in Hattiesburg were inspired to create their self - healing plastic by signs of healing in nature such as newly formed tree bark.

While it is generally accepted that trees and plants benefit urban environments, until now researchers have had very little data to work with in order to quantify the extent that street trees regulate urban ecosystems.

«In addition to cooling urban microclimates, these trees, which are integrated within dense urban street networks, also provide other benefits, such as reducing the risk of flash flooding and cleaning the air,» says Peter Edwards, Principal Investigator at the Future Cities Laboratory and Director of the Singapore - ETH Centre.

Most of the research has been conducted in the temperate zones of Europe and North America, but little is known about how trees contribute to urban ecosystems in tropical regions.

Her team is working with a number of Puget Sound urban areas, including Olympia, Tacoma, Seattle and Bainbridge Island, to map tree cover and explore socioeconomic issues related to having greater or fewer trees in a neighborhood.

New research from North Carolina State University finds that urban warming reduces growth and photosynthesis in city trees.

Gilbert and colleagues with the Smithsonian Tropical Research Institute are collaborating with Panama City to use tomography to evaluate the health and property risks of Panama's urban trees that may be decayed and vulnerable to snapping in high winds and heavy precipitation.

Working with volunteers, the researchers identified 15 feral colonies, living in trees or buildings without human management, and 24 colonies managed by beekeepers in urban, suburban, and rural areas within an hour's drive of Raleigh, N.C..

«Earlier studies have shown that urban warming increases pest abundance in street trees,» says Emily Meineke, lead author of a paper describing the work.

But people often find themselves in places where reception drops to zero — inside buildings and urban canyons, underground, underwater and below dense tree canopies.

«Conservation efforts in current forests should include retention of mature trees, and planners should consider retention of larger trees in urban, residential and agricultural uses to maintain «natural capital,»» Hanberry said.

GIS may enhance the tree inventory system with the application of mobile - based QR code technology, which could provide effective management of inventory elements, tree in particular, in urban areas to avoid project budget cutback, improve the efficiency of an existing program and educate and provide information to the public.

As such urban tree inventory would be the first step in planning and managing the urban forest for its functions and value in creating a balanced environment.

«If trees were to be established throughout their potential cover area, they would serve to filter air and water pollutants and reduce building energy use, and improve human well - being while providing habitat and resources for other species in the urban area.»

In the megacities that are home to nearly 10 percent of the world's 7.5 billion people, trees provide each city with more than $ 500 million each year in services that make urban environments cleaner, more affordable and more pleasant places to livIn the megacities that are home to nearly 10 percent of the world's 7.5 billion people, trees provide each city with more than $ 500 million each year in services that make urban environments cleaner, more affordable and more pleasant places to livin services that make urban environments cleaner, more affordable and more pleasant places to live.

«We'll lose some of those flowers for this season,» says Nina Bassuk, director of the Urban Horticulture Institute, about prematurely flowering trees in the U.S. northeast.

In southern California, for example, the invasive shot hole borer has killed thousands of city trees and poses a threat to 33 percent of the urban tree population in the regioIn southern California, for example, the invasive shot hole borer has killed thousands of city trees and poses a threat to 33 percent of the urban tree population in the regioin the region.

Ozone seemed to stunt the trees: Saplings in rural areas, where there was less pollution but more ozone, were smaller than urban trees, which experienced dirtier air and lower ozone levels.

«The structure, function and value of urban forests in California communities,» recently published online in Urban Forestry and Urban Greening, reports that California's 109 square yards of city tree canopy per person lags behind other urban canopy - poor states, such as Nevada (110), Wyoming (146) and Montana (urban forests in California communities,» recently published online in Urban Forestry and Urban Greening, reports that California's 109 square yards of city tree canopy per person lags behind other urban canopy - poor states, such as Nevada (110), Wyoming (146) and Montana (Urban Forestry and Urban Greening, reports that California's 109 square yards of city tree canopy per person lags behind other urban canopy - poor states, such as Nevada (110), Wyoming (146) and Montana (Urban Greening, reports that California's 109 square yards of city tree canopy per person lags behind other urban canopy - poor states, such as Nevada (110), Wyoming (146) and Montana (urban canopy - poor states, such as Nevada (110), Wyoming (146) and Montana (148).

«One of the factors driving the low per capita rating for California city trees could be the fact that 20 of the nation's 100 most densely populated cities are in California, meaning there's a higher volume of people in a confined space for trees,» said Natalie van Doorn, study co-author and research urban ecologist with the Pacific Southwest Research Station.

Unexpectedly, they found a significant size difference between urban and rural trees, even after accounting for factors such as temperature and nutrient levels, they report in the 10 July issue of Nature.

«Despite city tree benefits, California urban canopy cover per capita lowest in US.»

«However, the fact remains that more can be done and will need to be done in light of the recent tree mortality epidemics plaguing some of our urban forests.»

The study, involving hundreds of people, found benefits for mental health of being able to see birds, shrubs and trees around the home, whether people lived in urban or more leafy suburban neighbourhoods.

Several hundred non-native forest insect species have become established in the U.S., and recent arrivals such as the Asian longhorned beetle and the emerald ash borer have killed millions of trees and altered urban landscapes in the Northeast and Midwest.