Measuring the Trees

“Grüne Lunge Project” Investigates How We Can Make Urban Trees and Forests Fit for Climate Change

A typical summer's day in the city of Karlsruhe: Bright sunshine, 28 degrees, it's humid. Passers-by intuitively seek the cooling shade of trees or buildings. “This everyday situation shows how important trees are to the urban climate”, says Dr. Somidh Saha, forestry scientist at KIT’s Institute for Technology Assessment and Systems Analysis (ITAS). "In the city, however, trees are exposed to various stresses", Saha adds.

Urban park or forest areas, as here in Karlsruhe's Schlossgarten, are more important than ever for a good urban climate Photo: Sebastian Mang, KIT
Urban park or forest areas, as here in Karlsruhe's Schlossgarten, are more
important than ever for a good urban climate  Photo: Sebastian Mang, KIT

The researcher is head of the joint project GrüneLunge (greenlung), which is funded with over 1.4 million euros by the “City of the Future” program of the Federal Ministry of Education and Research (BMBF). In cooperation with the Baden-Württemberg Forest Research Institute (Forstliche Versuchsanstalt Baden-Württemberg - FVA), Germany’s national meteorological service “DeutscherWetterdienst” (DWD), the Karlsruhe Parks Department, and the Rheinstetten Building Authorities, researchers at ITAS are investigating how weather extremes and airpollution affect the health, growth, and ecosystem of trees and forests in cities.

Together, the project partners try to learn how to maintain sustainable green spacesand healthy plant populations in the city and the surrounding area and how to adaptthem to the growing challenges posed by climate change. “If we want to make our urban trees and forests fit for the future, we need to know thepotential of different tree species and also the role of urban green spaces in reducingheat stress in urban areas. It is also necessary to compare monocultures with mixedspecies growing along the streets. It is not possible to say in general terms whichtree species are best suited to a particular situation; it depends on many factors”, explains Saha.

In order to clarify these questions, the project partners are carryingout large-scale measurement campaigns that cover the entire urban area up to the district of Rheinstetten. The goal is to develop adaptive strategies for urban tree and forest management by optimizing species selection, planting areas, planting patterns, and tree care. (text: Jonas Moosmüller, translation: Heidi Knierim)


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Anlaufstelle in Pune


Die Kooperation zwischen Karlsruhe und dem indischen Pune ist einen Schritt weiter: Im Januar 2014 wurde im "MCCIA Trade Tower", 403, Senapati Bapat Road, eine direkte Karlsruher Anlaufstelle mit den Repräsentantinnen Iris Becker und Winnie Kulkarni von "Let's Bridge IT" in Pune eröffnet.

Durch Erfolg und Ausbau der vielfältigen Aktivitäten - ob Infos rund um den Standort Karlsruhe, aktiv Kontakte zu indischen Firmen halten oder deutsche Firmen aus der TRK in und um Pune bekannter machen - erfolgte im März 2018 ein Umzug in neue Räumlichkeiten, auch durch die Erweiterung um die Repräsentanz des Landes Baden-Württembergs in Maharashtra sowie das Marketingbüro der „Hochschul Föderation Südwest“. 


Karlsruhe Cooperation & Marketing Office
Let's bridge IT, Ms. Iris Becker
9th Floor, Sunit Capital, Senapati Bapat Road, Pune 411016
Tel: +91 75 0782 7033