"Brazil has the potential to be a leader on curbing climate change, but Jair Bolsonaro needs to commit to a Zero Deforestation policy instead of weakening environmental protections to make way for more industrial cattle grazing and farming", said Asensio Rodriguez of Greenpeace's Brazil arm in a statement to ThinkProgress.
Far right-winger Jair Bolsonaro is politically a polar opposite of President Cyril Ramaphosa.
But as Bolsonaro made plans for his government following his big election win, thousands of his opponents flooded one of Sao Paulo's largest avenues, chanting "Not him, not ever!" In one of the most fragmented Congresses in Brazilian history, it will be a leading opposition force.
"The fact Bolsonaro is already talking about reforms is a good sign", said economist Victor Candido of Guide Investimentos. Led by Paulo Guedes, the new department will a merger of the ministries of Finance, Planning, and Industry, Trade and Services.
"Bolsonaro is far more likely to begin with a turn inward and a focus on the implementation of domestic policies to curb urban violence and curb Brazil's debt", she said.More news: We will do everything to keep Brahim - Guardiola
More news: Mourinho Avoids FA Punishment For Comments After United - Newcastle Clash
More news: Jamal Khashoggi’s Body Was Chopped Into Pieces, Dissolved In Acid: Erdogan Advisor
The former paratrooper is a deeply polarising figure who has in the past defended the actions of the country's former military regime and said he is "in favour of dictatorship".
"Those who don't respect the law need to understand they will be held responsible, either before the law or by being taken down", he said.
The 63-year-old congressman´s rise has been propelled by rejection of the leftist PT that ran Brazil for 13 of the last 15 years and was ousted two years ago in the midst of a deep recession and political graft scandal.
That leader, charismatic former president Luiz Inacio Lula da Silva, led Brazil through a historic boom from 2003 to 2010, but now stands accused of masterminding the large-scale looting of state oil company Petrobras - a massive scandal that has badly damaged the party.
The Bolsonaro administration will also merge the Ministries of Agriculture and Environment, said Onyx Lorenzoni, future Chief of Staff. He said during a recent interview that he would invite Judge Sergio Moro to be his justice minister or fill a future vacancy on the supreme court.
Lula, the former president, remains in prison on a 12-year sentence for corruption and money laundering.
Bolsonaro supporters carried out physical attacks and organized campaigns of online harassment in the run-up to Sunday's vote, targeting journalists in particular, according to a tally kept by Abraji, an investigative journalism group.