Johnston will be speaking tomorrow (3 March) during the Ecobuild exhibition at Earls Court in London.
He will also spend time manning the Trees and Design Action group stand, along with representatives from the Landscape Institute, Trees for Cities, Capita Lovejoy, Barcham Trees, the Arboricultural Association and the Institute of Chartered Foresters.
Green infrastructure is also among topics to be examined during the Ecobuild seminar programme, as well as eco-town and green roofs and walls.
The Landscape Instutute is set to launch its latest position paper — Making it Home: The Power of Landscape to Create Good Housing — during the exhibition.
For more on the paper, see Horticulture Week, 26 February.
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