Table 2 The dimension and indicators of coding.

From: How do multiple Chinese actors conduct environmental communication on World Environment Day (2013–2022): a mixed-methods study

Dimension

Indicators

Description

Scott’s Pi

Frame

Contextual frame

The historical development of WED (and its related activities) is described to deepen the audience’s understanding of the background, content, and significance of WED activities.

0.833

Contrasting frame

The concept (or activity) of WED in different countries (or times) is described, highlighting the significance of a particular concept (or activity) for environmental protection.

Emphatic frame

The importance of WED (and its related activities) and the presence of a specific tone of exclamation, command, or appeal are emphasized.

Declarative frame

No excessive expression techniques are used, and the content is published straightforwardly.

Sentiment

Positive

It supports or praises WED (and its related activities) and considers WED meaningful.

0.891

Neutral

No apparent sentiment

Negative

It is opposed to or disgusted by WED (and its related activities) and considers WED meaningless.

Proposition

Public participation

It encourages the public to participate in WED activities actively, raise environmental awareness, and practice environmentally friendly behaviors. For example, the public is encouraged to order the right amount of food when dining out to avoid waste.

0.756

National legislation

It calls on the national authorities to promote environmental protection legislation and provide legal means to protect the environment. For example, some people call for the introduction of laws to limit the amount of wastewater from factories.

Science education

It educates the audience about environmental, encouraging the public to develop positive environmental protection behaviors. For example, the public is educated about the dangers of littering batteries and informed of the recycling methods for used batteries.

Activity promotion

It promotes the spirit and deeds of environmental campaigns and attracts public participation. For example, it describes the effects of “ecological reserves” established in some provinces and cities, and calls for more public support low-carbon lifestyles.

Others

There is no clear proposition, or the specific proposition cannot be identified.