The Horse 2020/21

Environment & Technology

City trees in ZH - Research

Areas in Zurich: 
9032 hectares (2018) --> 90.32 square kilometres
- Agricultural area               9.5%
- Forest area                    26.4%
- Traffic area                     14.6%
- Settlement area              47.7%
- Area of water bodies        1.2%
- Unproductive area            0.6%

Motor vehicle fleet:
- Passenger cars:         134'713
- Motorbikes:                23'581

Drive type:
- petrol engine:            63.7%
- diesel engine:            31.5%
- hybrid:                       3.2%
- electric motor:             1.1%
- other:                         0.5%

Electricity origin Zurich:
- Refuse and wood           1.65%
- Photovoltaics / Wind      1.27% 
- Hydropower                 24.9 %
- Nuclear power               6.69% 
- Electricity mix                9.11%
- Paraffin                        10.98% 
- Diesel                            8.83%
- Petrol                            3.79%
- Wood, biogas & environmental heat and solar collectors 2.64%
- District heating               3.3%
- Natural gas                   17.75% 
- Fuel oil                           9.09%

CO2 emissions:
CO2 emissions per capita 1.31 tonnes per year
City of Zurich Population: 415,467
= 544,261.77 tonnes of emissions caused by persons
CO2 emissions of companies in Zurich: 355738.23
Number of companies in Zurich: 6,037
= 58.93 tonnes on average per company
900,000 tonnes of CO2 per year in the city of Zurich

400 planes per day (June 2019)
134713 cars + 23581 motorbikes (June 2019)
10991 trains on Swiss tracks --> thereof in Zurich 1100

https://www.zuerich-co2.ch/ 

Trees:

80 trees for 1 ton of CO2 per year
Beech and chestnut trees convert twice as much on average
23,681,619 M2 forest area in Zurich
1 tree per M2
=23'681'619 trees in the forest

 

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