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
