SKYDB Building database

Tall buildings worldwide, with heights, construction status and the companies involved.

Rankings of tall buildings

Tall Building Markets

Tall buildings, tracked.

SKYDB is collecting verifiable information about buildings.

definition strict definition

green certificate

Formal recognition of a recipient's level of environmental sustainability, including energy efficiency and ecological practices.

A green certificate is a formal acknowledgment that its recipient exemplifies some level of environmental sustainability, especially through energy efficiency and good ecological practices.

The certification acknowledges an attained environmental quality. Its subject can be energy performance or another aspect of environmental sustainability.

A quality certificate can concern measures unrelated to environmental performance. The green certificate has the specific sustainability focus.