Green Infrastructure

One of my recent assignments was to put together a report to a local, fictitious council making the case for the benefits of green infrastructure in a town and ways the town could become more sustainable in the future.

For those who aren’t familiar with the term ‘green infrastructure’, this term relates to a network of multi-functional green spaces. It doesn’t just refer to parks and open spaces, it also incorporates trees along the pavement, living roofs and walls, allotments as well as bodies of water such as rivers, streams, canals (sometimes referred to blue infrastructure).

I found this module really interesting, I had never thought about green spaces in my local area, I took for granted that everywhere I lived, I lived near a park and had trees. I was surprised to learn how green infrastructure is key to our lives and our future. Why didn’t I learn the basics in school?

Urban Cooling

Trees and green infrastructure plays an important part in reducing urban temperatures. Areas that have trees help reduce the temperature in the local area providing evapotranspiration and shading. Trees play a vital role in reducing the temperature of the air in parks and green areas.

Habitat and Biodiversity

When you have green, you’ll have nature. Green infrastructure plays a crucial part in urban biodiversity by providing habitats for insects, birds and other species allowing them to have a home and thrive. This also plays a part in environmental awareness by local residents.

Air Quality

As trees remove gases from the atmosphere such as carbon dioxide, nitrous oxides and ground-level ozone, they are vital in reducing greenhouse gases and improve air quality. If more trees were planted, what do you think would happen to some of our respiratory issues?

Water Systems and Flow Management

Roads with green verges and trees play a vital role in water and flood management on the road. When it rains, a lot of the rainwater will be soaked up by the trees and verges and helps with flood management, if there are no green infrastructure, the rainwater has nowhere to go and usually ends up flooding roads and even homes. Roads with green infrastructure reduce the water’s runoff rate and slows down the pressure placed on the drainage system by soaking up the water.

Mental Health Benefits

Green spaces are spaces where people can leave their homes and encourages outdoor activities including walking, cycling, playing sports with friends, having a picnic, social interaction and other recreation. Some studies have shown that green spaces reduces the feeling of stress, improves your ability to concentrate and mood by providing a calm space away from the stresses sometimes caused by everyday life. These spaces are especially beneficial to children.

If you have a large tree in your garden and the only issue you have is that it’s blocking some light in your garden or you think it looks a little messy, think about whether you really need to cut off any branches or if you are caught in the rain and seek shelter under a street tree, or you decide concrete over your garden and haven’t considered where the rainwater will go when it hits the hard surface. Think about how important the green infrastructure around you plays a vital part in your life.

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