Figure 8 background data - Wastewater

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

2020

2021

CH4, anaerobic digestion, net

kt

0.6

0.7

0.6

0.6

0.7

0.8

0.8

1.0

1.0

1.1

1.2

1.2

1.2

1.2

1.1

1.3

1.2

1.2

1.2

1.2

1.2

1.1

1.3

1.3

1.4

1.2

1.5

1.5

1.5

1.6

1.8

1.8

CH4, sewers + MB

kt

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

0.3

CH4, septic tanks

kt

1.5

1.5

1.5

1.5

1.5

1.5

1.5

1.5

1.5

1.5

1.5

1.4

1.4

1.4

1.4

1.4

1.4

1.4

1.4

1.4

1.3

1.3

1.3

1.3

1.2

1.2

1.1

1.1

1.1

1.1

1.1

1.1

CH4,total

kt

2.4

2.4

2.4

2.3

2.4

2.6

2.6

2.7

2.7

2.8

2.9

2.9

2.9

2.9

2.8

2.9

2.9

2.9

2.8

2.8

2.8

2.7

2.8

2.8

3.0

2.8

2.9

2.9

3.0

3.0

3.2

3.1

N2O, indirect

kt

0.2

0.2

0.2

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.0

0.1

0.0

0.0

N2O, direct, seperate industries

kt

0.7

0.7

0.7

0.4

0.5

0.4

0.3

0.3

0.2

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.1

0.0

0.1

0.1

0.0

0.0

0.0

0.1

0.1

0.0

0.1

0.0

0.0

0.0

N2O, direct, municipal

kt

0.2

0.2

0.2

0.2

0.3

0.3

0.3

0.3

0.3

0.3

0.4

0.4

0.5

0.4

0.3

0.4

0.3

0.4

0.6

0.3

0.4

0.4

0.3

0.4

0.4

0.4

0.4

0.4

0.4

0.4

0.4

0.4

N2O, total

kt

1.1

1.0

1.0

0.8

0.8

0.8

0.7

0.7

0.6

0.5

0.6

0.6

0.7

0.5

0.5

0.6

0.5

0.5

0.7

0.4

0.5

0.5

0.4

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

0.5

GHG, CO2e

kt

367.7

342.4

344.5

266.8

292.4

289.4

249.8

257.4

247.1

221.8

236.2

230.2

255.5

216.5

202.8

229.0

203.3

217.8

258.2

191.9

201.2

208.6

194.1

208.9

214.8

213.7

211.1

215.2

217.0

211.6

219.1

214.1

Updated: 6/3-2023