“a skeleton walking.” He is insisting that he be allowed to be seen by doctors of his choosing.

killed by another Black model, George Koh.

From prison, Koh still sounds bewildered by what he has done. “I kind of thought, OK, let me just show Harry that I’m a big man — and that’s how it escalated.”

Here’s an excerpt from our climate team’s definitive answers to big questions about our warming world — and how we know what we know.

How bad are the effects of climate change going to be?

It depends on how aggressively we act to address climate change. If we continue with business as usual, by the end of the century, it will be too hot to go outside during heat waves in the Middle East and South Asia. Droughts will grip Central America, the Mediterranean and southern Africa. And many island nations and low-lying areas, from Texas to Bangladesh, will be overtaken by rising seas.

Conversely, climate change could bring welcome warming and extended growing seasons to the upper Midwest, Canada, the Nordic countries and Russia. Farther north, however, the loss of snow, ice and permafrost will upend the traditions of Indigenous peoples and threaten infrastructure.

kill jobs and cripple the economy. But that implies that there’s an alternative in which we pay nothing for climate change. And unfortunately, there isn’t.

In reality, not tackling climate change will cost a lot and will cause enormous human suffering and ecological damage, while transitioning to a greener economy would benefit many people and ecosystems around the world.

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Bolsonaro Seeks International Funding for Amazon Protection

This story was produced in partnership with the Pulitzer Center’s Rainforest Investigations Network.

RIO DE JANEIRO — As the Biden administration rallies the international community to curb global warming in a climate change summit this week, Brazil is pledging to play a critical role, going as far as promising to end illegal deforestation by 2030.

There’s a catch: Brazil’s president, Jair Bolsonaro, wants the international community to pledge billions of dollars to pay for the conservation initiatives.

And donors are reluctant to provide the money, since Brazil under the Bolsonaro administration has been busy doing the opposite of conservation, gutting the country’s environmental protection system, undermining Indigenous rights and championing industries driving the destruction of the rainforest.

Mr. Bolsonaro’s watch, deforestation in the Amazon rainforest, by far the largest in the world, has risen to the highest level in over a decade. The destruction, which has been driven by loggers clearing land for cattle grazing and for illegal mining operations, sparked global outrage in 2019 as huge wildfires raged for weeks.

European Union, Norway and others in warning that its worsening reputation hampers the country’s economic potential.

that Norway and Germany froze in 2019 after Mr. Bolsonaro’s government criticized some of the projects and dismantled safeguards to ensure the money was used effectively.

“The shamelessness of the government to ask for resources abroad is striking,” Ms. Araújo said. “Why won’t he use the money that’s there?”

Environmental and Indigenous organizations have expressed deep skepticism about Mr. Bolsonaro’s professed willingness to fight deforestation and they have warned international donors to refrain from giving the Brazilian government money they fear could be used to undermine environmental protection.

In recent weeks, environmentalists have raised the alarm, and celebrities — including the Brazilian singer Caetano Veloso and the American actor Leonardo DiCaprio — signed a letter that conveyed “profound concern” about the talks.

There is no sign that the Biden administration is considering offering to fund deforestation efforts on a significant scale, which would require support from Congress.

Jen Psaki, the White House press secretary, said last week that the United States does not expect to announce a bilateral agreement with Brazil at this week’s climate summit.

“We do want to see a clear commitment to ending illegal deforestation, tangible steps to increase effective enforcement of illegal deforestation, and a political signal that illegal deforestation and encroachment will not be tolerated,” she told reporters last week.

an analysis by Climate Observatory.

After the country’s vice president, Hamilton Mourão, announced the government’s first target for deforestation reduction earlier this month, experts pointed out that reaching the goal would leave Brazil by the end of 2022 with a level of deforestation 16 percent higher than the one Mr. Bolsonaro inherited in 2019.

The Bolsonaro administration is backing a bill that would give land grabbers amnesty, a move that would open up a swath of the Amazon at least the size of France to largely unregulated development. Another initiative it is pressing in Congress would make it easier for companies to get environmental licenses and would pave the way for legal mining operations in Indigenous territories.

And there is deep distrust toward Mr. Salles among environmentalists and public servants in the field. A senior federal police official in the Amazon recently accused the minister of obstructing a law enforcement operation against illegal loggers.

Private sector leaders are among the most concerned over the government’s record on the environment. Though China buys almost a third of Brazil’s exports, Americans are crucial investors in companies whose supply chains are vulnerable to deforestation.

In an open letter, the heads of dozens of major Brazilian companies, including the meatpacker JBS and the Itaú bank, urged the government to set more ambitious carbon emission reduction targets.

“Any work that reduces illegal deforestation benefits the private sector,” said Marcello Brito, the president of the Brazilian Agribusiness Association, which was among the signatories. “What I fear is a boycott by the market.”

That’s a prospect Mr. Chapman, the American ambassador, has underscored.

“If things don’t go well, it’s not about what happens with the American government, it’s about what happens with the world,” he said. “Many companies in the United States now, their shareholders are demanding an answer.”

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