The document summarizes best practices in environmental education from partners in the TrEE project in 8 European countries. It describes 3 best practices from each country, including mobile science labs and eco-committees in Bulgaria, lessons on energy from waste and sustainable energy in Denmark, a resource efficiency program for construction companies in the UK, outdoor environmental education in Hungary, the Ricrea recycling festival in Italy, a human generator and sustainable house exhibit in Portugal, and concludes with first calls for future activities in each country.