A large steel wheel, 14 meters in diameter and 1.3 meters wide, could be the energy solution of the near future, generating 3.5 megawatts - enough to supply a city of 30,000 people, according to a company in the capital city of the state of Amazonas in northwest Brazil.
Two military-inspired initiatives are leading Brazil's new government, which includes a number of generals, down the path of mega-projects, which have had disastrous results in the last four decades.
Designed mostly by men, many digital applications are not suitable for women, but some initiatives are beginning to include them as programmers and beneficiaries in Latin America, where the gender gap is also technological.
Crime, a key issue in far-right President Jair Bolsonaro's election in Brazil, has a dimension that is gaining in visibility and could turn against his government: gender violence.
“We can’t work just to pay the electric bill,” complained José Hilario dos Santos, president of the Residents Association of Morro de Santa Marta, a favela or shantytown embedded in Botafogo, a traditional middle-class neighborhood in Rio de Janeiro.
"We have already been decimated and subjected, and we have been victims of the integrationist policy of governments and the national state," said indigenous leaders, as they rejected the new Brazilian government’s proposals and measures focusing on indigenous peoples.
"Solar energy makes my happiness complete," said Divina Cardoso dos Santos, owner of one of 740 houses with photovoltaic panels on the rooftops in a settlement on the outskirts of this central Brazilian city.
The government that will take office on Jan. 1 in Brazil, presided over by Jair Bolsonaro, will put to the test the extreme right in power, with beliefs that sound anachronistic and a management based on a direct connection with the public.
For the first time in her life, retired physical education teacher Elizabeth Ribeiro planted a tree, thorny papaya, native to Brazil's central savanna.
"We can't work just to pay the electric bill," complained José Hilario dos Santos, president of the Residents Association of Morro de Santa Marta, a favela or shantytown embedded in Botafogo, a traditional middle-class neighborhood in Rio de Janeiro.
Dozens of trucks used to leave São Gonçalo every day, carrying the local agricultural production, mainly coconuts, to markets throughout Brazil, including the cities of Rio de Janeiro and São Paulo, more than 2,000 kilometers away.
Voters in Brazil ignored threats to democracy and opted for radical political change, with a shift to the extreme right, with ties to the military, as is always the case in this South American country.
Young Peruvians plan to take advantage of the knowledge acquired in Brazil's semi-arid Northeast to bring water to segments of the population who suffer from shortages, after sharing experiences in that ecoregion on the multiple uses of renewable energies in communities affected by climatic phenomena.
“We want to make history," agreed the teachers at the Chiquinho Cartaxo Comprehensive Technical Citizen School. They are the first to teach adolescents about generating power from bad weather in the semi-arid Northeast region of Brazil.
An alternative network in Brazil promotes women's participation in elected offices with media support. This campaign, like others in Latin America, seeks to reverse a political landscape where, despite being a majority of the population, women hold an average of just 29.8 percent of legislative posts.
Sousa, a municipality of 70,000 people in the west of Paraíba, the state in Brazil most threatened by desertification, has become the country's capital of solar energy, with a Catholic church, various businesses, households and even a cemetery generating solar power.
“The sun which used to torment us now blesses us," said one of the 19 women who run the Community Bakery of Varzea Comprida dos Oliveiras, a settlement in the rural area of Pombal, a municipality of the state of Paraiba, in Brazil's semi-arid Northeast.
Rocks, once a hindrance since they reduced arable land, have become an asset. Pedrina Pereira and João Leite used them to build four ponds to collect rainwater in a farming community in Brazil’s semi-arid Northeast.
"Now we live well," say both Givaldo and Nina dos Santos, after showing visiting farmers their 1.25-hectare farm in Brazil’s semi-arid Northeast, which is small but has a great variety of fruit trees, thanks to innovative water and production techniques.
“Our main challenge is to get the project back on track," agreed the administrators of two affordable housing complexes, where a small solar power plant was installed for social purposes in Juazeiro, a city in northeast Brazil.
Brazil is one of the world's largest agricultural producers and exporters, but its food supply has become seriously deficient due to food insecurity, unsustainability and poor nutrition, according to a number of studies.