On 2 February 2015, Princess Heights Luxury Boutique Condo Hotel celebrated the achievement of the prestigious Green Key award to the hotel.

On 5 February 2015, Green Key Netherlands organised their annual Conference and Award ceremony. Host for this year was Conference Centre Bovendonk.

As part of a cooperation between Green Key and Sustainable-Leaders, one Green Key ambassador will be featured on Sustainable-Leaders.com each month. Sustainability Leaders connects sustainable tourism thinkers, shakers and doers. It offers sustainability insights, case studies and examples of environmental leadership and best practice in travel and tourism. First Green ambassador to be represented is Erik Van Dijk, Green Key national operator in the Netherlands.