By signing up to international carbon reduction targets, world leaders have issued a challenge to everyone involved in urban space design. Whilst we cannot realistically claim that planting trees will significantly affect global climate, what we do know is that trees and climate change have a closer relationship than we once realised, and thus, green infrastructure has a major role to play in city climate mitigation and adaptation strategies.
Trees can, by providing shade and cooling through transpiration and evaporation processes, reduce temperatures around them. Clusters of well established urban trees probably represent the most effective tool available to urban designers in combating urban heat islands and heat sinks in cities. These pockets of heat accumulate in urban areas as a result of solar energy and glare reflected off engineered hard surfaces. These same surfaces store the heat and release it over night, scarcely having time to cool before the next sun rise.
As mentioned elsewhere on the site, one well established tree can have the effect of 10 room sized air conditioners – but of course from a totally sustainable, zero energy source!
The targets set for CO2 reduction are extremely challenging – by 2020, a reduction of 1.2m tonnes of CO2 per annum is looked for in the UK, and by 2050 a reduction target of 80% of 2009 levels. If trees are to play a part in implementing this reduction, a lot needs to happen quickly.
How we can help:
- By assisting you in evaluating tree pit designs
- Providing guidance on best practice in tree pit layout and planting methods
- Giving you quality advice
- Providing detailed tree pit specifications and costings
- Supplying practical, cost effective products to assist tree establishment
- Site support when planting
- Supplying lists of suitably qualified contractors to execute the work