Part four of this seven-part series about Colombia's Tayrona National Park explains a bit about the importance of its coral reefs and how they are studied.

A seasoned fisherman tells us about some tricks of his trade as well as what it is like to practice it in a protected area such as Tayrona Natural National Park.

This last part of the series on Tayrona Natural National Park identifies the conflict between conserving and embracing the local fishermen, business owners, etc. as a fundamental part of the park and the fact that, despite having been there before the park was even a park, they are considered to be living there illegally.

Welcome to Colombia's Gorgona Island, where more than fifteen species of snakes reside. Luckily, only four of them are poisonous.

The manner in which waste disposal is handled is of essential importance to the ecosystems of the island of Gorgona.

Our tour guide takes us on a search for blue anoles, a highly endangered species of lizard found only on Gorgona Island.

While some people on Gorgona Island search for the tiny blue anole lizard, others are determined to spot enormous humpback whales.

Yimi, a tour guide in training in the Colombian Pacific, gives us an up-close and personal look at the area's humpback whales, also known as the yubarta.

Join our guides as they monitor sea turtles in the waters of Gorgona Natural National Park and explore some of the environmental factors which are currently a threat to them.

Conservationists in Gorgona Natural National Park monitor endangered sea turtles, capturing them at night and marking them before releasing them back into the wild.

Iker Casillas, the famous goalkeeper of the Spanish national team and Real Madrid, makes an appeal with the NGO PLAN campaign to help Haiti after the 2010 earthquake.

Learn about the history, products and practices of a famous Spanish chocolatier.

The Rainbow Warrior III, a sailing yacht owned and operated by Greenpeace and used for such purposes as scientific excursions and environmental protests, has arrived in Barcelona for ten days, during which time various tours and events will take place. A Greenpeace volunteer from Barcelona explains more.

The captain of the Greenpeace ship, the Rainbow Warrior III, which is docked in Spain, explains to us a bit about the ship's equipment as well as his duties on board.

Crew members of Greenpeace's ship, the Rainbow Warrior III, from Spain and Argentina tell us a bit about their duties and give us a tour of some areas of the ship where they are performed.