2050 Stripes

Clima Stripes by Ed Hawkins of University of Reading (UK) were an impressive tool to communicate climate change effects. They show the increase in global temperatures from the 1900s represented with one stripe per year. They use the average temperature from 1971 to 2000 as a transition point from the blue to red colours.

At One Day in 2050, we would like to contribute by prolonging the stripes to 2050, using the +2ºC scenario.

2050 Stripes is a multi-layer initiative to call for an urgent action against climate change.


Download 2050 Stripes to help us to spread the word

Based on scientific data:

2050 Stripes go far beyond Climate Stripes and show an additional set of stripes that predict the rise up to 2050.

To do so, climate projections are used based on Earth system simulations for the 21st century.

The historical years 1900 to 2022 employ the UK Met Office HadCRUT5.0 surface temperature observational dataset. The historical period colour range spans from -0.75°C (dark blue) to +0.75°C (dark red) against the 1971 to 2000 period.

To build the 2023-2050 period stripes, simulations from the CMIP6 climate projections have been gathered/ensembled in a scenario where global warming reaches 2 ±0.01ºC against the pre-industrial era (1850-1900) when following the SSP2-4.5 radiative forcing. The future stripes warmer than 0.75ºC follow a darkening from the +0.75ºC dark red up to +1.5ºC in black.

The choice of a 2ºC warmer world is in line with the current pledges made by the UN to mitigate climate change (IPCC2021) and the radiative forcing scenario SSP2-4.5 is picked as it is considered as a mid point between the most extreme forcing scenario, SSP5-8.5, and the most optimistic one, SSP1-2.6.


IPCC, 2021: Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Masson-Delmotte, V., P. Zhai, A. Pirani, S.L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M.I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J.B.R. Matthews, T.K. Maycock, T. Waterfield, O. Yelekçi, R. Yu, and B. Zhou (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 2391 pp. doi:10.1017/9781009157896.

Our goals:

  • Call for action on climate change using 2050 Stripes

  • Promote the integration of art, AI and climate engagement.

  • Get on board new professionals and inspire new audiences.

  • Partnership with events, organisations and companies for dissemination of 2050 Stripes for social goals

Get inspired!

Have a look on existing applications of 2050 Stripes elsewhere and promote its use close to you: hometown, company, product placement, get imaginative!

Talk to us at news@oneday2050.org

Image credits: Ed Hawkins | Zazzle | Anchorage museum | One Day in 2050


BARCELONA SUPERCOMPUTING CENTER (BSC) - Albert Soret, Diana Urquiza and Pep Cos (EARTH SYSTEMS). Pioneer center of supercomputing in Spain, located in Barcelona. Research center made up of +500 scientists, a supercomputing service center for the entire scientific community.


JAUME ENCISO (SPAIN), climate activist, One Day in 2050 founder. Green events facilitator, climate officer and environmental awareness campaign’s management for 15 years.

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