I samlingen
| 2023 | Den tause våren Silent spring | |
| 2022 | Lost woods | |
| 2021 | Man's war against nature | |
| 2021 | The edge of the sea | |
| 2021 | The sea around us | |
| 2021 | Under the sea-wind | |
| 2018 | Silent spring & other writings on the environment | |
| 1998 | The sense of wonder : a celebration of nature for parents and children | |
| 1976 | Livet i havet Life under the sea |