Trees and Test Scores (05-01-19)

Tallis and teammates looked into relationships between the number of trees near schools and the academic test scores of elementary school students. They report that “greenspace around school grounds has been associated with benefits to students’ cognitive function. . . . After controlling for common educational determinants (e.g., socio-economic status, race/ethnicity, student teacher ratio, and gender ratio) we found a significant, positive association between test scores and tree and shrub cover within 750 and 1000 m of urban [elementary] schools.

Greenery at Universities (04-30-19)

Greenery at universities, indoors and out, has positive implications. Researchers presented study participants with digital photographs of “lecture hall[s], classroom[s], study area[s], university outdoor space[s]. For each of the three indoor spaces there were four or five stimuli conditions: (1) the standard design (2) the standard design with a colorful poster (3) the standard design with a nature poster (4) the standard design with a green wall (5) the standard design with a green wall plus interior plants.

Planting for Thermal Comfort (01-02-19)

Zolch and colleagues studied how the presence of plants influences comfort in public squares, and their findings are applicable in many outdoor spaces.  The team learned that “At daytime designs with a maximum shaded area provide best thermal conditions. . . . At night unhindered air flow and reduced heat storage in meadows performed best.”  More details on the Zolch-lead study: “The present study assessed typical greening designs of rectangular public squares and their microclimatic influences during a hot summer day both during day and night-time conditions. . . .


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