The ecological and environmental significance of Crete is the main subject for many organizations of the island. Every year, many clubs and associations organize actions related to environmental protection and public awareness. Protection of sea turtles, cleaning wetlands, bird watching, releasing birds of prey, exhibitions and seminars are some of the most common activities on the island, which intend to sensitize and inform people.
The Natural History Museum of University of Crete usually implements major actions and studies on the natural history and biodiversity of the island, while offering guests a unique experience through its rich exhibition.
The aquarium "Thalassocosmos" of the Hellenic Centre for Marine Research is an excellent means of acquaintance with marine life. 1.7 million liters of sea water host about 200 species of the Mediterranean, from the large shark to the small seahorses. Through constant training activities, children and adults learn about the magical underwater world. It is the largest aquarium in Greece and one of the most important in the Mediterranean.
Important efforts are also made for informing visitors about local communities. Omalos plateau hosts the Information Centre for the White Mountains National Reserve and in the Gorge of Samaria there are two exhibitions highlighting the human interaction with the local nature.
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Chania Chemistry Museum 
The Chemistry Museum of Chania is a representation of the first Chemical Laboratory of Greece that was founded in Chania and is housed on the 2nd floor of General Chemical Laboratory of Chania.
The Zakros’ Natural History Museum is located at the Polykentro building, lying along the main road that crosses Epanos Zakros village. The Museum is dedicated to the natural environment of the Park. The flora, fauna, and geology of the area is presented through small dioramas (reconstructions of ecosystems), staffed animals, posters and displays of rocks and fossils.
Aquaworld Aquarium has been operating since 1995 by John McLaren and is located very close to the main road of Hersonissos.
This place is owned by 2 fantastic donkey lovers originating from England. They are taking care for all abandoned donkeys in the whole area. You can visit them the whole year and hug with the donkeys or even take a ride on the small ones. If you would like to visit Crete and do some charity work this is a perfect chance.
The Kotsanas Museum of Ancient Greek Technology studies, highlights and presents to the Greek and foreign visitors the technology of ancient Greeks, an extremely important but relatively unknown aspect of the ancient Greek culture. In a Venetian building, the Palazzo d’ Ittar in the center of Heraklion guests have the unique opportunity to explore the exhibition "Hi-Tech Inventions of Ancient Greeks".
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