The EfFact checker provides answers to several practical questions regarding outdoor heat measures. Some examples of questions addressed in the EfFact checker: How do trees cool the environment? What are the best trees to combat heat stress? How large is the cooling effect of green façades? What is the cooling effect of a fountain?
The questions in the EfFact checker are divided in 4 themes: urban surface water, green façades, green rooftops, and trees.