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Did you know?

The average annual carbon footprint per person is...
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The global average CO2 per person is currently 6.2 tonnes of CO2 annuallyThe UN Goal for 2030 is to reach 2.1 tonnes of CO2 annually per person
For data sources, head here.

Carbon footprint of common items

A serving
of pork
Pork sausages
~1,800g
Of cO2
A serving
of farmed fish
A fish
~1,800g
Of cO2
A glass
of wine
~300g
Of cO2
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Carbon footprint of items will vary depending on country and other factors; numbers above do not necessarily reflect items universally.

Did you know?!

The CO2 Concentration (in PPM = parts per million) when...
Year
CO2 PPM
1492

Christopher Columbus sailed the ocean blue

280

ppm

1896

First modern olympic games in athens

295

ppm

1912

Titanic sinks

300

ppm

1960

The beatles are formed

315

ppm

1989

Taylor Swift is born

352

ppm

2008

First iphone is released

384

ppm

2020

Covid-19 pandemic

414

ppm

And in 2023
the CO2 concentration
was...
421.2

PPM

Learn more and find out what the CO2 PPM was when you were born

Learn More
421.2

ppm

PPM Finder

Type in the year to find the CO2 ppm:

Year

CO2 PPM:

Year
PPM
1900
296
1901
296
1902
297
1903
297
1904
297
1905
298
1906
298
1907
299
1908
299
1909
299
1910
300
1911
300
1912
300
1913
301
1914
301
1915
301
1916
302
1917
302
1918
302
1919
303
1920
303
1921
303
1922
304
1923
304
1924
305
1925
305
1926
305
1927
306
1928
306
1929
307
1930
307
1931
308
1932
308
1933
309
1934
309
1935
309
1936
310
1937
310
1938
310
1939
310
1940
310
1941
310
1942
310
1943
310
1944
310
1945
310
1946
310
1947
310
1948
310
1949
311
1950
311
1951
311
1952
312
1953
312
1954
312
1955
313
1956
314
1957
314
1958
315
1959
315
1960
316
1961
317
1962
318
1963
319
1964
318
1965
320
1966
321
1967
322
1968
323
1969
324
1970
325
1971
326
1972
327
1973
329
1974
330
1975
331
1976
332
1977
333
1978
335
1979
336
1980
338
1981
339
1982
341
1983
342
1984
344
1985
345
1986
347
1987
348
1988
351
1989
352
1990
354
1991
355
1992
356
1993
356
1994
358
1995
360
1996
362
1997
363
1998
366
1999
368
2000
369
2001
370
2002
373
2003
375
2004
377
2005
379
2006
381
2007
383
2008
385
2009
387
2010
389
2011
391
2012
394
2013
396
2014
398
2015
400
2016
404
2017
406
2018
408
2019
411
2020
414
2021
416
2022
418
2023
420
2024
425

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Michelle Li

About: Michelle is the founder of clever carbon. She launched her career in Silicon Valley where she worked for some of the biggest names in tech including Salesforce. A proponent for making sustainability the new norm, Michelle founded clever carbon to help teach people about carbon footprint in a hip, fun, and relatable way because what gets measured gets changed. She is a TEDx, SXSW, Bloomberg, and COP28 speaker on the topic of carbon literacy and is a United Nations content contributor. Michelle believes that a carbon literate society will accelerate solutions and actions at the speed and scale required for a thriving planet.

Shannon's carbon footprint is 17.9 tonnes of CO2 annually.

Shannon Hone

Shannon Hone is a Research Analyst at Clever Carbon with a background in conservation, biodiversity and remediation. She’s passionate about analyzing data and internalizing policy to create actionable plans.

Kelsey Speal

Kelsey Speal is a Product Marketer at Clever Carbon with 8+ years in finance marketing and a strong environmental passion. She co-founded an environmental stewardship group to inspire climate action among colleagues.

Nour's carbon footprint is 13.1 tonnes of CO2 annually

Nour EL Mansari

Nour EL Mansari is a Research Analyst with 2 years of experience in product design and management. She is passionate about the intersections between technology, design, and sustainability, and is dedicated to creating impactful and innovative solutions in these fields.