Brazil's president-elect wants to roll back protections for rainforest

The Amazon acts as the world's lungs – releasing 20 percent of the world's oxygen and guaranteeing rainwater across the Americas. But Jair Bolsonaro sees the rainforests and the indigenous communities who live in them as a hindrance to economic growth. 

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Felipe Wernbeck/Ibama/AP
An illegally deforested area is seen on Pirititi indigenous lands in Brazil's Amazon basin, May 8, 2018. Scientists warn that Brazil's President-elect Jair Bolsonaro could push the Amazon rainforest past its tipping point.

Scientists warn that Brazil's president-elect could push the Amazon rainforest past its tipping point – with severe consequences for global climate and rainfall.

Jair Bolsonaro, who takes office Jan. 1, claims a mandate to convert land for cattle pastures and soybean farms, calling Brazil's rainforest protections an economic obstacle.

Brazilians on Oct. 28 elected Mr. Bolsonaro, a far-right candidate who channeled outrage at the corruption scandals of the former government and support from agribusiness groups.

Next week global leaders will meet in Poland for an international climate conference to discuss how to curb climate change, and questions about Brazil's role in shaping the future of the Amazon rainforest after Bolsonaro's election loom large. New Brazilian government data show the rate of deforestation – a major factor in global warming – has already increased over the past year.

Brazil contains about 60 percent of the Amazon rainforest, and scientists are worried.

"It's nearly impossible to overstate the importance of the Amazon rainforest to the planet's living systems," said Carlos Nobre, a climate scientist at the University of Sao Paulo.

Each tree stores carbon absorbed from the atmosphere. The Amazon takes in as much as 2 billion tons of carbon dioxide a year and releases 20 percent of the planet's oxygen, earning it the nickname "the lungs of the planet."

It's also a global weathermaker.

Stretching 10 times the size of Texas, the Amazon is the world's largest rainforest. Billions of trees suck up water through deep roots and bring it up to their leaves, which release water vapor that forms a thick mist over the rainforest canopy.

This mist ascends into clouds and eventually becomes rainfall – a cycle that shapes seasons in South America and far beyond.

By one estimate, the Amazon creates 30 to 50 percent of its own rainfall.

Now the integrity of all of three functions – as a carbon sink, the Earth's lungs, and a rainmaker – hangs in the balance.

On the campaign trail, Bolsonaro promised to loosen protections for areas of the Brazilian Amazon designated as indigenous lands and nature reserves, calling them impediments to economic growth. "All these reserves cause problems to development," he told supporters.

He has also repeatedly talked about gutting the power of the environmental ministry to enforce existing green laws.

"If Bolsonaro keeps his campaign promises, deforestation of the Amazon will probably increase quickly – and the effects will be felt everywhere on the planet," said Paulo Artaxo, a professor of environmental physics at the University of Sao Paulo.

Bolsonaro's transition team did not respond to an interview request from the Associated Press.

Brazil was once seen as a global environmental success story. Between 2004 and 2014, stricter enforcement of laws to safeguard the rainforest – aided by regular satellite monitoring and protections for lands designated reserves for indigenous peoples – sharply curbed the rate of deforestation, which peaked in the early 2000s at about 9,650 square miles a year.

After a political crisis engulfed Brazil, leading to the 2016 impeachment of president Dilma Rousseff, enforcement faltered. Ranchers and farmers began to convert more rainforest to pastureland and cropland. Between 2014 and 2017, annual deforestation doubled to about 3,090 square miles. Most often, the trees and underbrush cut down are simply burned, directly releasing carbon dioxide, said Mr. Artaxo.

"In the Brazilian Amazon, far and away the largest source of deforestation is industrial agriculture and cattle ranching," said Emilio Bruna, an ecologist at the University of Florida in Gainesville.

Now observers are parsing Bolsonaro's campaign statements and positions as a congressman to anticipate what's next for the Amazon.

Bolsonaro – who some call "tropical Trump" because of some similarities to President Trump – is a former Army captain with a knack for channeling outrage and generating headlines. As a federal congressman for 27 years, he led legislative campaigns to unravel land protections for indigenous people and to promote agribusiness. He also made derogatory comments about minorities, women, and, LGBT people.

Much of his support comes from business and farming interests.

"These farmers are not invaders, they are producers," said congressman and senator-elect Luiz Carlos Heinze, a farmer and close ally of Bolsonaro. He blamed past "leftist administrations" for promoting indigenous rights at the expense of farmers and ranchers.

"Brazil will be the biggest farming nation on Earth during Bolsonaro's years," said Mr. Heinze.

Indigenous-rights advocates are worried about the new direction signaled. "Bolsonaro has repeatedly said that indigenous territories in the Amazon should be opened up for mining and agribusiness, which goes completely in the opposite direction of our Constitution," said Adriana Ramos, public policy coordinator at Social Environmental Institute in Brasilia, a nongovernmental group.

In a Nov. 1 postelection interview with Catholic TV, Bolsonaro said, "We intend to protect the environment, but without creating difficulties for our progress."

Bolsonaro has repeatedly said that Brazil should withdraw from the Paris Climate Accord, a treaty his predecessor signed in 2016 committing to reduce carbon emissions 37 percent over 2005 levels by 2030. After the election, he has publicly wavered.

Meanwhile he has named a climate-change denier, Ernesto Araujo, to become the next foreign minister.

Nelson Ananias Filho, sustainability coordinator at Brazil's National Agriculture and Cattle Raising Confederation, which backed Bolsonaro's campaign, said, "Brazil's agribusiness will adapt to whatever circumstances come."

Whether or not Brazil formally remains in the Paris Climate Accord, the only way for the country to make its emission targets is to completely stop deforestation by 2030 and to reduce agricultural emissions, said Mr. Nobre, the climate scientist. "If Bolsonaro keeps moving in the current direction, that's basically impossible."

There's another danger lurking in deforestation.

Aside from the oceans, tropical forests are the most important regions on the planet for putting water vapor in the air, which eventually becomes rainfall. "It's why we have rain in the American Midwest and other inland areas – it's not just the Amazon, but it's the largest tropical rainforest," said Bill Laurance, a tropical ecologist at James Cook University in Cairns, Australia.

Carlos Nobre and Thomas Lovejoy, an environmental scientist at George Mason University, have estimated that the "tipping point for the Amazon system" is 20 to 25 percent deforestation.

Without enough trees to sustain the rainfall, the longer and more pronounced dry season could turn more than half the rainforest into a tropical savannah, they wrote in February in the journal Science Advances.

If the rainfall cycle collapses, winter droughts in parts of Brazil, Uruguay, Paraguay, and Argentina could devastate agriculture, they wrote. The impacts may even be felt as far away as the American Midwest, said Mr. Laurance.

Bolsonaro's rhetoric about potentially dismantling the environmental ministry and rolling back indigenous rights worries Nobre who says, "I am a scientist, but I am also a Brazilian citizen, and a citizen of the planet."

This story was reported by The Associated Press. Additional reporting by AP Science writer Christina Larson from Washington.

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