Latin America could see more Spanish investment in renewable energy if this otherwise strong sector in Spain is hurt in the war being waged by fossil fuel interests, according to expert Sergio de Otto.
The global dispute between fossil fuel interests and those developing alternative technologies has spilled onto the Spanish battlefield.
Since recovering part of their territory in 2005, an indigenous Guaraní community in the northeastern Argentine province of Misiones is working to maintain and expand a cultural tourism initiative.
In a jungle enclave in northeastern Argentina, a handful of indigenous peoples have set out to study their own Guaraní culture to test its tourism potential.
Living sustainably can be learned. That is the idea championed by two schools in the southern Brazilian city of Porto Alegre, where students are learning to become environmental citizens of the new millennium.
"We have to start thinking about a new social contract on a planetary scale, but also within each country," says Argentine activist and scholar Adolfo Pérez Esquivel.
Unlike so many immigrants who have come to Spain in search of jobs and a better standard of living, 39-year-old Flávio José Carvalho da Silva moved to this northeastern Spanish city from his home country of Brazil because he fell in love with a local woman.
Plagued by Spain's economic recession and subsidy cuts, renewable energy businesses are following the sun and wind to Latin America in search of profits.
In 1975, Brazilian nutritionist and paediatrician Clara Brandão introduced "multimixture" in the diet of 13 preschools in Santarém, in the northern state of Pará, and noted how the malnourished children gained weight and completed their schooling. Some even went on to university.
There are no strong or weak foods, only complementary foods, proclaims Brazilian expert Clara Brandão, promoter of a unique approach to nourishment.
The southern Brazilian city of Porto Alegre, a pioneer in participatory budgets and environmental policies, and habitual host of the enormous World Social Forum, has returned to the international stage.
The 2014 soccer World Cup has created a dilemma for the southern Brazilian city of Porto Alegre: real estate and tourism development or environmental preservation?
Using pieces from all sorts of useless equipment, students at the Computer Recovery Centre in the southern Brazilian city of Porto Alegre have put 1,700 computers into operation in three years.
While learning to recycle electronic waste, young Brazilians are acquiring skills and greater awareness about the impacts of material consumption.
In the city of Garopaba, a tourist destination on Brazil's southern coast, leftover food from restaurants will be turned into fertiliser to be used by farmers, who in turn will grow pesticide-free fruits and vegetables for snacks in the local schools.
Waste composting has opened a new path for a southern Brazilian beach destination towards its goal of becoming a "sustainable city".
The battle against the wood pulp ndustry has intensified in the Brazilian courts, especially in those states where eucalyptus plantations have expanded the most: Bahia and Espírito Santo in the east and Rio Grande do Sul in the south.
The massive resistance against building up an international-scale paper industry in Brazil has shifted to the judicial arena.
"Negro F" tells how the Manos Grafite (roughly, "Graphite Hands") group started. In 1996, he and his friend Alex were walking along a street in the outskirts of the capital of the southeastern Brazilian state of Minas Gerais, when they were struck by the colours and forms painted on the walls.
Peruvian activist María Elena Moyano became a liability in the eyes of the Sendero Luminoso (Shining Path) rebels on Feb. 13, 1992. That was the day she dared to flout the curfew imposed by the insurgents in order to lead a peace march in the streets.
The main sanitation plan for the southern Brazilian state of Rio Grande do Sul is 12 years old, has survived four state governments and carries a price tag of 220 million dollars - but has yet to be implemented.