15.2 Sustainable living in Freiburg Flashcards
What does a sustainable water supply depend on?
individuals using as little water as possible
What does a sustainable water supply in urban areas involve?
- collecting and recycling water
- rather than relying on water pumped from reservoirs
Freiburg’s waste water system allows rainwater to be…
retained, reused or to seep back into the ground
What does water conservation in the Vauban district involve?
- collecting rainwater to use indoors
- green roofs
- pervious pavements that allow rainwater to soak through
- unpaved tramways
- drainage wetlands
Water in the River Dreisam
- flows through Freiburg
- managed using flood retention basins
- reduces danger of flooding by storing excess water, which can be then be used in the city
- designed to fit naturally into the scenery of the Black Forest
What 2 things have made the production of a sustainable energy supply more important?
pollution
climate change
What is Freiburg’s strict energy policy based on?
- energy saving
- efficient technology
- use of renewable energy sources
What is the city trying to do before 2050?
- 100% powered by renewable energy
- requires halving energy consumption
- increasing energy efficiency in homes, offices + factories
What does the provision of open spaces contribute to?
sustainability in economic + environmental terms
What do green spaces provide?
natural + free recreational resource
a habitat for wildlife
Freiburg - the ‘green city’
- 40% of city forested
- 44% of wood from city’s forests is used for timber but 75% grows back within a year
- only native trees + shrubs are planted in the 600 hectares of parks
What are there financial incentives for?
inhabitants to use water sparingly
What happens as water soaks through green open spaces?
filter out pollutants
What do homes need to have?
- roof gardens
- with facilities for rainwater harvesting + wastewater recycling
What is groundwater the most important source of?
drinking water
