The topics for this category can include:

• urban greening,
• green roofs and walls,
• sustainable drainage systems,
• green transport infrastructure,
• green spaces and parks,
• ecosystem services,
• climate change adaptation.

Any author or co-author of a research study may nominate it. A third party who does not contribute to the work may also be a nominator, but with author notification.

The elements that will be taken into account are:

• relevance to green infrastructure,
• originality,
• clarity,
• visual presentation,
• technical merit,
• impact potential,
• social aspects,
• overall quality.