SGI 2024 | Sustainable Policymaking | Environmental Sustainability | Effective Ecosystem and Biodiversity Preservation | Adjusted Emissions Growth Rate for Nitrous Oxides

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Time series

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Values among 30 countries

Indicator metadata and score calculation

Definition:	Average annual rate of increase or decrease in NOx over the last ten years of data, adjusted for economic trends to isolate change due to policy rather than economic fluctuation (EPI-Variable NXA).
Year:	2022
Unit:	Standardized Scale
Direction:	Low values translate into high scores
Source 1:	EPI
Data for:
Annotation:	Yale Center for Environmental Law & Policy, Environmental Performance Index (EPI): Dataset: Adjusted emissions growth rate for nitrous oxides (NXA) URL: https://epi.yale.edu/downloa… extracted 2024/07/03.

Calculation:	Long-term data series were used to set appropriate minimum and maximum values.
Minimum:	-0.145
Maximum:	0.055
/	Below/Above IQR boundary value. See FAQ for further information.
Distance:	Distance=(value for calculation-minimum)/(maximum-minimum)
Score:	Score=10-relative distance*9

Top group

Score

Adjusted Emissions Growth Rate for Nitrous Oxides

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Upper middle group

Slovenia

8.9

-0.12

Austria

8.4

-0.11

Estonia

8.4

-0.11

Germany

8.4

-0.11

Switzerland

8.4

-0.11

Netherlands

8.4

-0.11

Belgium

8.0

-0.10

USA

8.0

-0.10

Finland

7.5

-0.09

Sweden

7.5

-0.09

7.5

-0.09

Czechia

7.1

-0.08

Denmark

7.1

-0.08

France

7.1

-0.08

Hungary

6.2

-0.06

Ireland

6.2

-0.06

Italy

6.2

-0.06

Poland

6.2

-0.06

Portugal

6.2

-0.06

Lower middle group

Canada

5.7

-0.05

Japan

5.7

-0.05

Slovakia

5.7

-0.05

Spain

5.7

-0.05

Australia

5.3

-0.04

Greece

5.3

-0.04

Latvia

5.3

-0.04

Norway

5.3

-0.04

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Lithuania

3.9

-0.01

New Zealand

3.5

0.00

Bottom group

Israel

2.6

0.02

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