Earth, wind & fire: sustainable energy: a unique look at how people are utilizing natural resources, from the Andean paramos in Argentina to the volcanic fields of Costa Rica and throughout the Caribbean.

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Earth, wind & fire: sustainable energy: a unique look at how people are utilizing natural resources, from the Andean paramos in Argentina to the volcanic fields of Costa Rica and throughout the Caribbean.

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In the distance, a solitary caravan of llamas crosses the red-ocher stained desert mesa and gradually loses itself in the horizon. Hours later, a male vicuna with his group of females behind him pauses to look at us for a couple of seconds before moving his flock along a ravine covered by millions of dwarf bushes called tola. Like the llama and vicuna, the tola is one of a few species that can resist the altitude and the extreme hot and cold temperatures of the highlands. It provides cover for the other small plant species that make up the Andean paramos. Tilcara, La Quiaca, Rinconada, and Pozuelo Lagoon are behind us now. We've been traveling over rocky roads for more than h...

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