Posts by wrisadmin

The COVID 19 pandemic exposed the limited and unbalanced access to green infrastructures (GIs). There are many publications about the benefits of GIs. Interestingly, most of the audiences/readers are the believers. It is more of “preaching to the choir”! At the same time, a significant percentage of population does not (or does not want to)…

Green Stormwater Infrastructures (GSIs) are typically built for multi-purposes: stormwater treatment and green space. Established vegetation is used to achieve the designed functions. However, plants often fail before established. When plants die, GSIs become a not-so-good sand filter. The main reason is that plants undergo constant stresses: either too wet or too dry. By design,…

The most common cause of death of newly planted urban trees is under- or over-watering. To battle this problem, there are many guidelines written to prescribe how much water for newly planted. However, none of these prescriptions addresses the watering application efficiency: How much water evaporates, runs off, lost via drainage in porous soils, and…

Urban trees are vital to our urban ecosystems. Green industry professionals understand the benefits large mature trees provide and their effects on health and quality of life of residents. However, urban trees face various challenges, including soil degradation, pollution (including deicing salts and pesticides), invasive pests, compaction, extreme weather conditions and many other stress factors. …

Among the common factors affecting the survival of newly planted trees, under-watering and over-watering are the top two. Providing water to newly planted trees for the first 2-5 years is critical for their survival and growth for the promised benefits. We all have see and probably participated one of the tree planting projects “Million Trees…