diff options
| -rw-r--r-- | chapter1.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/chapter1.md b/chapter1.md index 5854d97..a450f8c 100644 --- a/chapter1.md +++ b/chapter1.md @@ -74,7 +74,7 @@ the carbon emissions produced in the process of producing all the goods and services consumed by a person, and you've got their 'carbon footprint,' their personal contribution to global carbon dioxide emissions. WWF publishes a free carbon calculator on their website and in the Apple and Google app stores -[@wwf-footprint-calculator; wwf-my-footprint]. The concept was first popularised +[@wwf-footprint-calculator; @wwf-my-footprint]. The concept was first popularised by an Effie-winning advertising campaign run by British Petroleum [@effies-2007; @kaufman-2020]. |