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More than a quarter of the Amazon basin is now releasing more carbon than it absorbs, according to a comprehensive study.

Brazilian researchers flew an aircraft over the rainforest every two weeks for nine years, taking air samples from just above the canopy all the way up to 4.5km.

They found that the eastern side of the Amazon, which accounts for around 28% of the total area, is losing more carbon as a result of deforestation than is being removed from the atmosphere by the growth of trees.

Some of the carbon is lost through fires, deliberately started to clear the forest for agriculture.

An aerial view shows logs cut from the Amazon rainforest near Porto Velho, Rondonia State
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An area that covers 28% of the Amazon is losing more carbon as a result of deforestation than it is removing from the atmosphere by the growth of trees

But the knock-on effect of an absence of trees is local climate change, with rising temperatures and reduced rainfall accelerating the decline of surrounding areas of forest. Parts of the Amazon have flipped from being a carbon sink to a carbon source.

Mark Wright, director of science for conservation charity WWF, told Sky News that the research showed the Amazon is at a tipping point, where great swathes of forest could be destroyed by self-perpetuating dieback.

“We’re no longer talking about some dystopian future, this is stuff we can see on the ground, these changes are happening here and now,” he said.

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“It’s a warning of what is still come to come.

“We know we are moving towards that inextricable situation where the forest will slowly transform into a more grass-like savannah ecosystem and as a result will push more carbon into the atmosphere.”

The world’s plants have absorbed 25% of fossil fuel emissions since 1960, helping to reduce global warming.

The Amazon rainforest has taken up a significant proportion, storing an estimated 123 billion tonnes in the trees and other vegetation.

But the new research suggests it can’t be relied on in future to mop up carbon dioxide from the atmosphere because human activity is disrupting the delicate ecosystem.

The researchers, led by National Institute for Space Research in Brazil, found that on the lush western side of the Amazon basin slightly more carbon is being absorbed through photosynthesis than is being released by dead trees and human impact on the forest.

But it was a significantly different story on the eastern side, where 27% of the forest has been lost, more than twice the rate in the west.

Results published in the journal Nature show that the area has switched from being a carbon sink to a net source during the nine years of the study, with local climate change destabilising the delicate ecosystem.

The researchers say that in the drier months of August to October the temperature in the eastern Amazon has increased by between 1.9C and 2.5C over 40 years. Rainfall has decreased by between 24% and 34%.

The researchers say there is a direct link between the changing climate and tree loss.

Conservationists warn the new law threatens to accelerate rainforest destruction. Pic: AP
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Human activity is disrupting the Amazon’s delicate ecosystem

The Amazon receives an average of more than 2m of rain a year, with between a quarter and a third of it resulting from moisture released by trees.

With a shrinking forest in the east the atmosphere is drier, stunting the growth of remaining trees and reducing the amount of carbon they absorb.

Some scientists have predicted that if the Amazon reaches a tipping point it will retreat to cover only a relatively small area in the west, with a devastating impact on biodiversity and atmospheric carbon.

But Mark Wright said: “The future is potentially very, very bleak, but it’s not too late.

“If we follow the science, we can clearly see there is scope to do really good agricultural development in Brazil, in a way that will boost their economy, in a way that does not require further degradation.

“If we can concentrate on restoring those lands there is still hope for preventing that kind of runaway process.

“But we have to act now, we can’t keep pushing this off.”

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Daily Climate Show – featuring a ‘living laboratory’

Sky News has launched the first daily prime time news show dedicated to climate change.

The Daily Climate Show is broadcast at 6.30pm and 9.30pm Monday to Friday on Sky News, the Sky News website and app, on YouTube and Twitter.

Hosted by Anna Jones, it follows Sky News correspondents as they investigate how global warming is changing our landscape and how we all live our lives.

The show also highlights solutions to the crisis and how small changes can make a big difference.

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Why Ukraine’s European allies will be nervously watching VE Day events in Red Square

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Why Ukraine's European allies will be nervously watching VE Day events in Red Square

Donald Trump has a soft spot for military spectacles and autocrats.

He will be looking on with envy as Vladimir Putin parades both in Moscow today, with Chinese leader Xi Jinping flying in to join Victory Day events in Red Square.

European allies of Ukraine will be watching nervously, wary of anything that could upturn the delicate quest for peace.

President Trump‘s patience with peddling his much vaunted “peace deal” has been wearing thin and allies had feared Ukraine could be punished for it.

That would have been grotesquely unfair, of course. Ukraine has bent over backwards to accommodate Mr Trump’s one-sided diplomacy that has so far seemed to favour the aggressor in this obscene war.

Russian army soldiers marching during a dress rehearsal for Victory Day parade in St. Petersburg on 7 May. Pic: AP/Dmitri Lovetsky
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Pic: AP

True, the Trump proposal does not agree to Russian annexation of all the land already taken by force and stops short of ordering the complete demilitarisation of Ukraine, but otherwise the proposals are pretty much everything that Moscow has asked for.

The deal is being pushed by Steve Witkoff, Mr Trump’s golf partner turned chief negotiator, a man regarded by diplomats as out of his depth and lost in the rough when it comes to the arts of statecraft.

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Like his president, Mr Witkoff has a history of doing business with Russian oligarchs, an apparently starry-eyed view of the Russian leader and has called Ukraine a “false country”.

Moment of truth approaching

Mr Witkoff and Mr Trump have so far given Mr Putin the benefit of the doubt, but a moment of truth is approaching. While Ukraine has agreed to a longer ceasefire in principle, Mr Putin will not.

Ukraine’s European allies feared that Mr Trump was about to despair of progress, blame Ukraine and take US military support with him.

Then came the minerals agreement between the US and Ukraine. The breakthrough gave the US president something to show for his efforts and assuaged his desire for some kind of deal. He seems to have moved on for now, at least, and approved the first $50m of arms sales to Ukraine.

Russian Air Force fly over Red Square, leaving trails of smoke in the colors of the Russian national flag during rehearsal. Pic: AP/Alexander Zemlianichenko
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Members of the Russian Air Force fly over Red Square during the rehearsal. Pic: AP

But these remain a tense few days ahead with plenty at stake.

Mr Putin’s self-declared three-day ceasefire raises the spectre paradoxically of escalation if either side breaks it.

The Russian lull is seen here in Kyiv as little more than a ploy.

If the Russian leader was serious about giving peace a chance, they say, he would have signed up to the permanent ceasefire being proposed by the Trump team.

Besides, Russia broke the last truce in Easter as soon as it had begun and used it to carry out surveillance and reinforcement operations says Kyiv. Why risk another pointless pause that is exploited by the invaders?

Escalation possible

If Russia plays the same games this time and Ukraine retaliates, there could be a significant escalation. Likewise, with any Ukrainian drone attack on Moscow during Victory Day.

Any major flare-up will not be looked on favourably by the US president if it upstages his first trip abroad this presidency, a three-day tour of the Middle East.

For now, his attention is not so much on the Ukraine conflict and he is no longer issuing threats to walk away and stop supporting the Ukrainians.

Russian servicemen march towards the Red Square before Victory Day military parade general rehearsal on 7 May. Pic: AP/Pavel Bednyakov
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Russian servicemen march towards Red Square in the rehearsal. Pic: AP

Read more from Sky News:
Ukraine and Russia accuse each other of breaching ceasefire
Putin prepares to host dozens of world leaders for Victory Day parade

That will be a relief here in the Ukrainian capital. They would be unwise to do anything to reengage him, for now at least.

Their European allies, though, know American involvement in this war appears to be receding.

Can they fill the vacuum?

This week, they remember the sacrifices made to bring peace and security to their continent 80 years ago.

Can they find the political will and unity to do so again, even without America?

Astonishingly, given all we have been through, that is still an open question.

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India will respond ‘in exactly the same light’ if Pakistan retaliates, high commissioner tells Sky News

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India will respond 'in exactly the same light' if Pakistan retaliates, high commissioner tells Sky News

India will respond to any escalation from Pakistan “proportionally and in exactly the same light”, the country’s high commissioner has told Sky News.

Weeks after 26 tourists were shot dead by gunmen in Indian-controlled Kashmir last month, India carried out missile strikes in Pakistan and Islamabad-administered parts of the disputed region.

On Wednesday, India said it hit nine “terrorist infrastructure” sites, while Pakistan said it was not involved in the April attack and the sites were not militant bases.

Pakistan’s Prime Minister Shehbaz Sharif has since vowed that India will “now have to pay the price” for their “blatant mistake,” and skirmishes have also been reported along the Line of Actual Control (LAC).

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Speaking to Sky’s The World with Yalda Hakim on Thursday, India’s high commissioner to the UK, Vikram Doraiswami, said “the original escalation is Pakistan’s sponsored terror groups’ attack on civilians”.

India strikes ‘reasonable,’ says high commissioner

He then insisted India’s strikes in Pakistan and Kashmir were “precise, targeted, reasonable and moderate,” adding: “It was focused principally and solely on terrorist infrastructure.

“We made it abundantly clear that the object of this exercise was clearly to avoid military escalation.

“A fact that was actually acknowledged – in a left-handed way of course – by the Pakistani side in terms of their own statements, which said the airspace hadn’t been violated.”

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India awaits Pakistan’s response

Pakistan chose ‘to escalate the matter’

The high commissioner also said about claims Pakistan shot down Indian aircraft with Chinese-made fighter jets: “If it satisfies Pakistan’s ego to say that they’ve done something, they could have used that as an off-ramp to move on.

“Clearly they’ve chosen not to, and they’ve chosen to escalate the matter.”

A boy collects papers from the debris of a residential house damaged by a cross-border shelling in Gingal village near the Line of Control (LoC) between India and Pakistan, in Indian Kashmir's Baramulla district, May 9, 2025. REUTERS/Stringer
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A boy collects papers from the debris of a damaged house in Gingal village. Pic: Reuters

And when asked about Pakistan’s threats of retaliation, Mr Doraiswami said: “We’re not looking for an escalation, but if Pakistan responds, as we have done, we will respond proportionally and in exactly the same light.”

He then referenced the border skirmishes, saying: “I do want to remind everybody: For the last 15 days, they’ve also opened artillery fire along the Line of Actual Control… That’s led to civilian casualties.”

Read more:
The story of India and Pakistan’s deadly conflict
How India and Pakistan’s militaries match up

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It comes after India said Pakistan attacked its military stations in the Kashmir region with drones and missiles on Thursday.

The country’s defence ministry said stations at Jammu, Pathankot and Udhampur were “targeted by Pakistani-origin” weapons, and added “the threats were swiftly neutralised”.

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The demands and challenges facing the new pope

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The demands and challenges facing the new pope

There is a long list of demands in the new pope’s in-tray, ranging from the position of women in the church to the ongoing fight against sexual abuse and restoring papal finances.

People both inside the Catholic Church and around the world will be watching how the new pontiff deals with them.

US Cardinal Robert Francis Prevost was elected as the new pope on Thursday after just two days of conclave.

The 69-year-old, who becomes the first American pope, will take the name Leo XIV.

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‘Evil will not prevail, we are all in the hands of God’, the new American Pope told the crowd.

On Friday, Pope Leo will lead his first holy mass as pontiff after already paying a surprise visit to see staff at his former residence.

Here, Sky News Europe correspondent Siobhan Robbins takes an in-depth look at the challenges facing the new pontiff.

Sexual abuse

Many Catholic insiders credit Pope Francis with going further than any of his predecessors to address sexual abuse.

He gathered bishops together for a conference on the issue in 2019 and that led to a change that allows cooperating with civil courts if needed during abuse cases.

But it didn’t go as far as forcing the disclosure of all information gathered in relation to child abuse.

Any abuse allegations must now be referred to church leaders, but reformers stopped short of decreeing that such cases should also be automatically referred to the police.

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Clerical abuse victim says church still has ‘so much to do’

While many abuse victims agree they saw progress under Pope Francis, who spent a lot of time listening to their accounts, they say reforms didn’t go far enough.

The next pope will be under pressure to take strong action on the issue.

Newly-elected Pope Leo XIV appears on the balcony of St Peter's Basilica at the Vatican. Pic: Reuters
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Newly-elected Pope Leo XIV appears on the balcony of St Peter’s Basilica at the Vatican. Pic: Reuters

Women

Pope Francis also did more to promote women in the Vatican than any other pontiff.

Two years ago, he allowed women to vote in a significant meeting of bishops.

While he was clear he wanted women to have more opportunities, he resisted the idea that they needed to be part of the church hierarchy and didn’t change the rules on women being ordained.

A woman kneels at St. Peter's Square, on the first day of the conclave to elect the new pope, at the Vatican, May 7, 2025. REUTERS/Eloisa Lopez
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A woman kneels at St. Peter’s Square, on the first day of the conclave to elect the new pope. Pic: Reuters

His successor will need to decide if they push this agenda forward or rein it back in.

It’s a pressing concern as women do a huge amount of the work in schools and hospitals, but many are frustrated about being treated as second-class citizens. 10,000 nuns a year have left in the decade from 2012 to 2022, according to Vatican figures.

Inclusion

“Who am I to judge?” Pope Francis famously said when asked about a gay monsignor in 2013.

His supporters say he sought to make the church more open, including allowing blessings for same sex couples but while critics argue he didn’t go far enough, some conservatives were outraged.

A gay couple kisses each other as thousands of catholics and conservatives gather together against the legalization of gay marriage and to defend their interpretation of traditional family values in Monterrey City, Mexico September 10, 2016. REUTERS/Daniel Becerril
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A gay couple kiss at a Catholic protest against the legalisation of gay marriage in Mexico. File pic: Reuters

African bishops collectively rejected blessings for same sex couples, saying “it would cause confusion and would be in direct contradiction to the cultural ethos of African communities”.

How welcome LGBTQ+ people feel in the church will depend partly on decisions made by the pontiff.

Conversely, the Pope must also bring together disparate groups within the Catholic faith.

Many are demanding a leader who can unite the various factions and bring stability in an increasingly unstable world.

The global south

While the Catholic church is losing members in its traditional base of Europe, it’s growing rapidly in the global south.

The area has become the new centre of gravity for Catholicism with huge followings in countries like Brazil, Mexico and the Philippines.

Pope Francis tried to expand representation by appointing more cardinals from different areas of the world, and the new Pope will be expected to continue this.

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Behind the scenes at the conclave

Finance

The Vatican is facing a serious financial crisis.

The budget deficit has tripled since Pope Francis’s election and the pension fund has a shortfall of up to €2bn (£1.7bn).

These money worries, which were compounded by COVID-19 and long-standing bureaucratic challenges, represent a major concern for the next pope.

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