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Jakarta Named World’s Most Polluted City

Skyscrapers (background) look faded due to poor air quality in Jakarta on August 11, 2023. (AFP)
Skyscrapers (background) look faded due to poor air quality in Jakarta on August 11, 2023. (AFP)
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Jakarta Named World’s Most Polluted City

Skyscrapers (background) look faded due to poor air quality in Jakarta on August 11, 2023. (AFP)
Skyscrapers (background) look faded due to poor air quality in Jakarta on August 11, 2023. (AFP)

The dry season and motorized vehicles are the main causes of the air pollution in Jakarta, Indonesian authorities said Friday, after a Swiss air quality technology company named the city as the most polluted in the world.

Thick smoke and gray skies have appeared every morning for the past few months in Jakarta, the capital city of the world's fourth most populous country.

Jakarta routinely tops listings of the world's most polluted cities, most recently in a ranking by IQAir, which is based in Switzerland.

“In fact, the condition of Jakarta’s air quality throughout 2023 has fluctuated quite a bit,” Asep Kuswanto, head of Jakarta Environment Agency said at a conference on Friday.

Indonesia is now in the dry season, which runs from July to September, when air pollution will peak. Air quality in the greater Jakarta area deteriorates as it is impacted by dry air from the eastern side of the country.

The use of motorized vehicles is also a major factor. Data from the Ministry of Environment and Forestry said 44% of air pollution comes from transportation, compared to 31% from industry.

Jakarta's streets are clogged with inefficient and polluting vehicles, especially motorcycles. Maintenance standards are poor and rarely enforced. A lack of public transportation means most people are dependent on private vehicles, which can be stalled in traffic for hours at a time.

The city of Jakarta is home to more than 11 million people, with a total of 30 million in the greater metropolitan area. Air pollution has become a sensitive issue, with millions commuting into the city daily from satellite communities.

In 2021, an Indonesian court ruled that President Joko Widodo and six other top officials had neglected citizens’ rights to clean air and ordered them to improve the poor air quality in the capital.

Cases of respiratory diseases believed to be linked to air pollution are on the rise. The Jakarta health office also acknowledged that there was an increase in health problems caused by air pollution in 2023, compared to 2022.

“It is increased compared to 2022. And it is almost the same condition we found in 2019 and 2018, before the COVID-19 pandemic,” Dwi Oktavia, head of disease prevention and control at the Jakarta Health Agency, said.

In order to prevent further increases, "we should actively be using public transportation and bicycles,” Oktavia said.

On Monday, President Widodo acknowledged that air pollution in Jakarta had been a problem for years. Moving the capital city from Jakarta to Nusantara, on the island of Borneo, is one of the solutions, Widodo said.

First proposed in 2019, Widodo’s plan to move the capital would involve constructing government buildings and housing from scratch around the seaport of Balikpapan, about 2,000 kilometers northeast of Jakarta.

“One solution is to reduce the burden on Jakarta so that some of it will later be moved to Nusantara. And the mass transportation is a must,” Widodo said.

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Artemis Astronauts to Study the Moon’s Surface Using Mainly Their Eyes

This photo provided by NASA shows the moon seen from a window on the Orion spacecraft Integrity during the Artemis II mission on Friday, April 3, 2026. (NASA via AP)
This photo provided by NASA shows the moon seen from a window on the Orion spacecraft Integrity during the Artemis II mission on Friday, April 3, 2026. (NASA via AP)
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Artemis Astronauts to Study the Moon’s Surface Using Mainly Their Eyes

This photo provided by NASA shows the moon seen from a window on the Orion spacecraft Integrity during the Artemis II mission on Friday, April 3, 2026. (NASA via AP)
This photo provided by NASA shows the moon seen from a window on the Orion spacecraft Integrity during the Artemis II mission on Friday, April 3, 2026. (NASA via AP)

More than 50 years after humans first flew around the Moon, Artemis astronauts will repeat the feat on Monday and use the most basic instrument to study it: their eyes.

Despite the technological advancements since the Apollo missions, NASA still relies on the eyesight of its astronauts to learn more about the Moon.

"The human eye is basically the best camera that could ever or will ever exist," Kelsey Young, the lead scientist for the Artemis 2 mission, told AFP.

"The number of receptors in the human eye far outweighs what a camera is able to do."

Although modern cameras may be superior to human eyesight in some respects, "the human eye is really good at color, and it's really good at context, and it's also really good at photometric observations," Young said.

Humans can understand how lighting changes surface details, like how angled lighting reveals texture but reduces visible color.

In just the blink of an eye, humans can detect a subtle color shift and understand how lighting changes the contours of a landscape like the Moon's surface, details which are scientifically useful but difficult to ascertain from photos or videos.

Artemis 2 astronaut Victor Glover, who pilots the Orion spacecraft, said before liftoff this week that eyes were a "magical instrument."

- Field scientists -

To ensure they made the most of their proximity to the Moon, the four Artemis 2 crew members underwent more than two years of training.

Young said the goal was to turn the astronauts into "field scientists" via a combination of classroom lessons, geological expeditions to Iceland and Canada, and multiple simulated flybys of the Moon, just like the mission they are on.

The three American astronauts -- commander Reid Wiseman, pilot Glover and mission specialist Christina Koch -- along with Canadian astronaut Jeremy Hansen, all had to memorize the Moon's "Big 15," or the 15 features of the Moon that will allow them to orient themselves.

Using an inflatable Moon globe, they practiced seeing how the angle of the sun changed the colors and textures of the lunar surface, honing their observation and note-taking skills for the big moment.

"I can tell you, they are excited and they are ready," Young said with a smile.

- 'About the size of a basketball' -

The Artemis astronauts' mission is to study certain lunar sites and phenomena as part of 10 objectives chosen by NASA and ranked in priority order based on scientific interest.

During the Moon flyby, which will last for several hours, the crew will have to observe the celestial body with their naked eyes, along with cameras they have on board.

Noah Petro, head of NASA's planetary geology lab, told AFP that the Moon will look to the astronauts "about the size of a basketball held at arm's length."

"The question I'm most interested in is, are they going to be able to see color on the lunar surface," Petro said.

"I don't mean rainbow colors, but you know, dark browns or tan colors because that tells us something about the composition, and that tells us something about the history of the Moon."

David Kring of the Lunar and Planetary Institute told AFP he is not expecting any earth-shattering discoveries because of the multiple lunar probes and high-resolution images of the Moon taken since the Apollo missions.

Nevertheless, "having astronauts describing what they're seeing... That is an occurrence that at least two generations of people on Earth have never heard before," he said.

The Artemis 2 flyby will be broadcast live by NASA, save for a period for when the spacecraft is behind the moon.

"Just listening to their practice descriptions in the mission simulations... It brings chills up my arms," Young said.

"I am absolutely confident that these four people are going to deliver some incredible descriptions."

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Artemis Astronauts More than Halfway to Moon, Putting Earth in Rearview

This screengrab from a NASA live broadcast video shows (L-R) NASA astronaut and Artemis II Mission Specialist Christina Koch, NASA astronaut and Artemis II pilot Victor Glover, Canadian Space Agency astronaut Artemis II Mission Specialist Jeremy Hansen and NASA astronaut and Artemis II Commander Reid Wiseman during a press call as they travel to the Moon in the Orion spacecraft, on April 3, 2026. (Photo by NASA / AFP)
This screengrab from a NASA live broadcast video shows (L-R) NASA astronaut and Artemis II Mission Specialist Christina Koch, NASA astronaut and Artemis II pilot Victor Glover, Canadian Space Agency astronaut Artemis II Mission Specialist Jeremy Hansen and NASA astronaut and Artemis II Commander Reid Wiseman during a press call as they travel to the Moon in the Orion spacecraft, on April 3, 2026. (Photo by NASA / AFP)
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Artemis Astronauts More than Halfway to Moon, Putting Earth in Rearview

This screengrab from a NASA live broadcast video shows (L-R) NASA astronaut and Artemis II Mission Specialist Christina Koch, NASA astronaut and Artemis II pilot Victor Glover, Canadian Space Agency astronaut Artemis II Mission Specialist Jeremy Hansen and NASA astronaut and Artemis II Commander Reid Wiseman during a press call as they travel to the Moon in the Orion spacecraft, on April 3, 2026. (Photo by NASA / AFP)
This screengrab from a NASA live broadcast video shows (L-R) NASA astronaut and Artemis II Mission Specialist Christina Koch, NASA astronaut and Artemis II pilot Victor Glover, Canadian Space Agency astronaut Artemis II Mission Specialist Jeremy Hansen and NASA astronaut and Artemis II Commander Reid Wiseman during a press call as they travel to the Moon in the Orion spacecraft, on April 3, 2026. (Photo by NASA / AFP)

The Artemis 2 astronauts have passed the halfway point between Earth and the Moon on Saturday as they sped toward a planned lunar flyby, with NASA releasing initial images of Earth taken from inside the Orion spacecraft.

Astronaut Christina Koch said the crew had a collective "expression of joy" upon being told of the milestone, which was hit around two days, five hours and 24 minutes after the spacecraft blasted off from the Kennedy Space Center in Florida, AFP said.

"We can see the Moon out of the docking hatch right now, it is a beautiful sight," Koch said around 11 pm (0400 GMT) Friday, according to the space agency's official live broadcast.

NASA's online dashboard showed early Saturday that the Orion spacecraft carrying the astronauts was more than 229,000 kilometers (142,000 miles) from Earth.

The space agency earlier released images from Orion that included a full portrait of Earth, featuring its deep blue oceans and billowing clouds.

After a flurry of high-stakes activity including a dramatic blast-off and an engine firing that catapulted them on their historic trajectory to circle the Moon, the four astronauts aboard were able to catch their breath, even as they continued to perform a variety of equipment checks and tests.

"There has been a tremendous amount of disbelief for me, it's just so extraordinary," said Canadian Jeremy Hansen during a Q&A session with press late Thursday.

"I really like it up here," said Hansen, on his first ever journey to space. "The views are extraordinary."

"It's really fun to be floating around" in zero gravity, he added. "It just makes me feel like a little kid."

Hansen is on the crew with Americans Koch, Victor Glover and Reid Wiseman.

They are due to loop around the Moon early next week -- a feat not accomplished in more than 50 years.

NASA official Lakiesha Hawkins praised the photographs taken by commander Wiseman, calling them "amazing" during a briefing Friday.

"We continue to learn all about our spacecraft as we operate it in deep space with crew for the first time," Hawkins said.

"It's important to remind ourselves of that as we learn a little bit more day by day."

- 'Great spirits' -

Friday's to-do list includes a CPR demonstration and medical kit checks, the US space agency said, as well as preparation for the scientific observations they'll need to document when they are closest to the Moon on day six of their journey.

NASA officials reported Friday that all systems were performing well, and that the astronauts were in "great spirits" and had spoken to their families.

The next major milestone of the approximately 10-day journey is expected overnight Sunday into Monday, at which point the astronauts will enter the "lunar sphere of influence" -- when the Moon's gravity will have stronger pull on the spacecraft than Earth's.

If all proceeds smoothly, as Orion whips around the Moon the astronauts could set a record by venturing farther from Earth than any human before.

"There is nothing normal about this," said mission commander Wiseman late Thursday.

"Sending four humans 250,000 miles away is a Herculean effort, and we are now just realizing the gravity of that."

The Artemis 2 mission is part of a longer-term plan to repeatedly return to the Moon, with the goal of establishing a permanent lunar base that will offer a platform for further exploration.

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'Breathtaking': Artemis Astronauts Blast towards Moon

This image taken from video provided by NASA shows the Earth, left, from NASA's Orion spacecraft as it fired its engines heading toward the moon Thursday, April 2, 2026. (NASA via AP)
This image taken from video provided by NASA shows the Earth, left, from NASA's Orion spacecraft as it fired its engines heading toward the moon Thursday, April 2, 2026. (NASA via AP)
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'Breathtaking': Artemis Astronauts Blast towards Moon

This image taken from video provided by NASA shows the Earth, left, from NASA's Orion spacecraft as it fired its engines heading toward the moon Thursday, April 2, 2026. (NASA via AP)
This image taken from video provided by NASA shows the Earth, left, from NASA's Orion spacecraft as it fired its engines heading toward the moon Thursday, April 2, 2026. (NASA via AP)

Four Artemis astronauts were zooming towards the Moon late Thursday after a major engine firing, a milestone that commits NASA to the first crewed lunar flyby in more than half a century.

With enough thrust to accelerate a stationary car to highway driving speed in less than three seconds, the Orion capsule engine blasted the astronauts on their trajectory towards the Moon, which they now will loop as part of the 10-day Artemis 2 mission, reported AFP.

In the moments that followed what the US space agency dubbed a "flawless" firing that lasted just under six minutes, astronaut Jeremy Hansen said that "humanity has once again shown what we are capable of."

The astronauts said they were "glued to the window" taking pictures, and later passed a floating microphone back and forth as they took questions from US television networks.

They said the spacecraft was a little chilly and they were still making it a home, but the crew was all smiles.

"There's nothing that prepares you for the breathtaking aspect of seeing your home planet both lit up bright as day, and also the Moon glow on it at night with the beautiful beam of the sunset," said Christina Koch.

Thursday's nudge came one day after the enormous orange-and-white Space Launch System (SLS) rocket carrying the Orion capsule launched from Kennedy Space Center in Florida for the long-anticipated journey around the Moon.

The astronauts are now on a "free-return" trajectory, which uses the Moon's gravity to slingshot around it before heading back towards Earth without propulsion.

"From this point forward, the laws of orbital mechanics are going to carry our crew to the Moon, around the far side and back to Earth," NASA official Lori Glaze said.

The astronauts are wearing suits that also serve as "survival systems" -- in the unlikely case of a cabin depressurization or leak, they'll maintain oxygen, temperature controls and the correct pressure for up to six days.

The astronauts -- Americans Reid Wiseman, Victor Glover and Koch along with Canadian Hansen -- spent their first hours in space performing checks and troubleshooting minor problems on the spacecraft that has never carried humans before, including a communications issue and a malfunctioning toilet.

Queried on the toilet situation, Koch said she was "proud to call myself the space plumber.

"I like to say that it is probably the most important piece of equipment on board," she said. "So we were all breathing a sigh of relief when it turned out to be just fine."

- 'Herculean' -

Crewmembers also had their first workouts of the mission on the spacecraft's "flywheel exercise device" -- each astronaut will carve out 30 minutes a day for fitness, a bid to minimize the muscle and bone loss that happens without gravity.

The 10-day mission is aimed at paving the way for a Moon landing in 2028.

Artemis 2 marks a series of historic accomplishments: sending the first person of color, the first woman and the first non-American on a lunar mission.

If all proceeds smoothly, the astronauts could also set a record by venturing farther from Earth than any human before.

"There is nothing normal about this," said Wiseman. "Sending four humans 250,000 miles away is a Herculean effort, and we are now just realizing the gravity of that."

The Artemis 2 mission is part of a longer-term plan to repeatedly return to the Moon, with the goal of establishing a permanent base that will offer a platform for further exploration.

The current era of American lunar investment has frequently been portrayed as an effort to compete with China, which aims to land humans on the Moon by 2030.

Asked about division closer to home and what message they had for Americans, Glover said from his vantage point, "You look amazing. You look beautiful."

"From up here, you also look like one thing," he added. "We're all one people."