Graphic sources

All graphics on this website which are not propertiy of R-cubed Research Group are published in the public domains or under creative-commons/share-alike licenses, respectively. The sources are linked below.

Banner 1

CC BY-SA 3.0 - A. Gutwein

CC BY-SA 3.0 - Hammelmann Oelde

CC BY-SA 3.0 - IIVQ

Banner 2

CC BY-SA 2.0 DE - Danilo Mielniczek

Banner 3

CC BY-SA 3.0 - Raimond Spekking

Banner 4

public domain - USDOE

public domain - Alexander Orth

CC BY-SA 2.0 DE - Spyridon Natsikos

CC BY-SA 3.0 - Hrald

CC BY 3.0 BR - Divulgacao Petrobras

Banner 5

CC BY-SA 3.0 - Andrezadnik

CC BY-SA 3.0 - Bin im Garten

CC BY-SA 3.0 - Macyber

CC BY-SA 3.0 DE - Deutsche Fotothek

CC BY-SA 3.0 - Raizy

CC BY-SA 3.0 - Florian Schott

Industrial Ecology Illustration

Clip art in this graphic derives from:
openclipart.org