Comparison of Environmental Data 2005-2007

Project supervisors: Dr. Steck, Ms. Zeller, Dr. Kraus

The comparison of environmental data encompasses important basic data and reference figures for resource use at the University of Freiburg. It is updated each year for controlling purposes, i.e. in order to determine how close we have come to achieving our long-term objectives. The time series begin in 2001 and are based on data from the official university statistics http://www.verwaltung.uni-freiburg.de/statdaten/. They are complemented by yearly calculations and evaluations concerning resource use and the use of alternative proposals such as the job ticket (public transportation passes for employees).

For the purpose of visualization, we have included several graphs on this page with data from the table.


Energy use per square meter of space	Energy use per person (employee, student)	Drinking water use



Amount of waste/recyclable material	Paper use	Space per person (employee, student)

	Unit	2002	2003	2004	2005	2006	2007
Employees
University	FTE[1]	2.531	2,552	2,578	2,567	2,589	2,799
Faculty of Medicine[2]	FTE[1]	1,784	1,828	1,819	1,850	1,897	1,924
Teaching assistants	amount	1,199	1,334	1,300	1,332	1,465	2,254
Students	amount	20,495	21,634	22,020	22,168	22,100	20,714

Spaces
University	MUA[3] (m²)	214,971	224,194	224,194	225,171	239,246	243,547
University	NIA[4] (m²)	392,648	407,099	407,099	407,843	427,682	432,870
Faculty of Medicine[2]	MUA[3] (m²)	16,923	16,923	16,923	16,991	16,991	17,667
Faculty of Medicine[2]	NIA[4] (m²)	18,441	18,443	18,443	18,498	18,498	19,375

Electricity use	kWh/a	34,300,953	42,003,283	41,713,490	42,165,663	43,135,973	45,906,395

Heating energy
Steam	kWh/a	48,545,868	54,264,665	55,840,356	57,303,350	60,229,000	55,225,355
Gas	kWh/a	2,689,474	2,034,187	2,057,727	2,683,424	3,499,028	3,013,458
Oil	kWh/a	932,780	1,911,060	1,086,510	1,532,030	1,293,100	735,200

Water use
Drinking water use	m³/a	165,355	171,280	158,165	153,718	157,075	152,018
Well water	m³/a	145,002	167,064	184,791	130,631	105,765	150,928

Waste/recyclable material
Recovered paper	t/a	449	369	316	330	284	306
Biologically decomposed	t/a	83	88	87	81	88	76
Composted[DH1]	t/a	33	18	137	102	119	137
Radioactive waste	m3	5	4	2	2	2	3
Domestic waste	t/a	405	432	451	448	398	394
Hazardous waste	t/a	106	92	90	92	87	89
Recyclable material [5]	t/a	134	135	119	129	107	139

Paper use
Fresh-fiber paper	t/a	172	175	178	168	75	69
Recycled paper	t/a	4	5	2	11	100	107

Transportation
Job tickets	amount/a	*	*	460	560	550	625
Rented parking spaces	amount/a	*	*	1,016	999	1,039	1,077
Semester tickets [6]	amount/a	4,116	16,067	17,313	18,025	18,488	17,567
[1] full-time equivalent [2] spaces of the Faculty of Medicine managed directly by the administrative board [3] main usable area [DH2] [4] net internal area [DH3] [5] without electronic scrap metal [6] all students in Freiburg [*] not available in this year

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