The two whales were recorded in one of the deepest areas of the Aegean near Ikaria by the Archipelagos Institute of Marine Conservation crew.
Workshops, tree plantings, student activities, and environmental education take center stage in the Greek capital.
Over 150 volunteers collected waste from Voula Beach, highlighting the power of community and the importance of environmental protection.
The study also points to relatively low food waste, with 59% of households admitting to discarding some food and 41% claiming none.
Episode two of "Explaining Greece" take a look at Greece's marine areas, and why environmental organizations say they're not receiving the protection they need.
The olive tree is one of several relocated as part of an Ergose program to save trees from new project properties.
Eleven groups bring decades of experience to be channeled into initiatives aimed at effectively protecting local species and ecosystems.