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This shovel
symbolizes Beuys call for the re-forestation of Kassel, Germany,
with 7000 oak trees. Not only do trees absorb rainwater and airborne
pollutants, and produce fresh oxygen, but their shade cools nearby buildings
and the ground below, preventing the rapid evaporation of water from
the soil. Well-planned landscaping can reduce the costs of heating and
cooling a home by as much as 30%.10 Consult your local Extension Service
for advice on appropriate plants. |