We can certified not only building process, energy efficiency, dealing with waste or operation of the building but also design process or environmental impact after end of life cycle.
https://en.wikipedia.org/wiki/Green_building
. Today, the attention to the larger urban areas has already begun in terms of certification. In recent years, efforts have also been made towards a unified system within the EU (harmonization of European Assessment Systems CEN / TC350).
https://en.wikipedia.org/wiki/Sustainability_measurement
Difference among all of used tools are how they cooperate with national codes and standard and different evaluation of each aspect. They are using different approach but with same goal. Each of all certificates have their own assessment system (points, percentage etc.)
https://www.weforum.org/agenda/2017/09/struggling-to-measure-sustainability/
LEED – Leadership in Energy and Environmental Design
office building Bratislava – LEED Core & Shell 2009 Gold certified; Source: www.bbc1plus.sk/data/MediaLibrary/0/701/_mg_9227-lightbox.jpg
Twin city A, office building, Bratislava; Source: www.breeam.com/wp-content/uploads/sites/3/2017/12/MF_151124_TwinCityBA_0231-1200×800.jpg
DGNB – Deutsche Gesellschaft für Nachhaltiges Bauen
https://www.dgnb.de/en/index.php
EcoPoint Košice – office building; Source: www.ecopoint.sk/wp-content/uploads/photo-gallery/EcoPoint_05.jpg
Boldesti-Scaieni Resource Center, Romania; Source: www.habitat.ro/wp-content/uploads/2015/06/Cosmin-Dragomir-CERC-Boldesti-Scaeni-11.jpg
CRADLE TO CRADLE (C2C)
Cradle to Cradle; Source: https://whatisnewinecomaterials.wordpress.com/2014/07/06/cradle-to-cradle/