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According to the Union of Concerned Scientists, there are nearly 2,800 working satellites in space. We depend on these devices for technology we use every day, such as video calls, online maps, satellite TV, and weather tracking. Scientists use them to study space and learn more about our planet.

But there are many other satellites in orbit that are no longer working. They’re among the objects cluttering up space. Some of these eventually fall back toward Earth, either landing or burning up in the atmosphere. But much of this space junk circles Earth for decades.

Orbital debris, a type of space junk, is any human-made object that has stopped working but continues to float around the Earth. This includes abandoned satellites and pieces of spacecraft, such as rocket stages.

Space junk also includes fragments of objects. These occur when satellites collide with things. They also result from an object crashing into an old rocket stage that still contains fuel, causing an explosion.

Heather Cowardin works at NASA. She says the United States is tracking more than 23,000 pieces of space debris. These tiny fragments can damage working satellites, which can affect research in space. That’s why cleanup efforts are so important.

Examine o cartum Frank and Ernest, de Thaves.

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A woman suffering from a rare blood condition is on a quest to find her estranged biological father, who may enable her to get a potentially life-saving transplant if he donates his bone marrow.

Sarah Langdale, 32, was diagnosed with severe anemia when she was two.

This disease occurs when the body stops producing new enough blood cells. Patients with the condition are often fatigued and more prone to infections, as well as uncontrolled bleeding.

“I’m having blood transfusions every three weeks. I eventually started to lose my color and energy and I can´t do anything” Langdale told local news outlet Northampton Chronicle and Echo. Doctors have told her that she urgently needs a bone marrow transplant before her condition worsens.

“I really need my Dad to come forward, I’ve been looking hard for him. I`ll die without a transplant and I hope I can find a better match with him or my half-siblings. And I´m relying on someone seeing my story and coming forward with information. I can only live in hope.

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Parte II

China used to be the largest recipient of excess plastic waste, but the country cracked down on the practice in 2018. Since then, countries like the UK, the US, and Canada have scrambled to find other dumping grounds.

Many of these countries have since restricted the practice as well after getting inundated with junk plastic. Both the Philippines and Malaysia have sent shipping containers full of plastic waste back to where they came from.

"Malaysia will not be the dumping ground of the world", Yeo Bee Yin, Malaysia’s environment minister, said at the time. "We will fight back. Even though we are a small country, we can’t be bullied by developed countries."

"What the citizens of the UK [and other countries] think they have sent for recycling are actually being dumped in our country," she added. "Malaysians have a right to clean air, clean water, and a clean environment to live in, just like citizens of developed nations."

Low-income countries such as Bangladesh, Laos, Senegal, and Ethiopia have emerged as the new dumping grounds due to lax environmental laws, according to the Guardian.

Environmental groups have long warned that the plastic pollution crisis has been spiraling out of control. Many countries have vowed to reduce plastic production, and global conventions have been convened to improve international recycling and waste management. But plastic production is expected to increase by 40% over the next decade.

While the EU will seek to take responsibility for the amount of waste it generates, countries such as the UK will continue to pass the responsibility elsewhere.

"We had assumed the UK would at least follow the EU, and so it is a shock to find out now that instead they choose to have a far weaker control procedure, which can still permit exports of contaminated and difficultto-recycle plastics to developing countries," Jim Puckett, director of the Basel Action Network, told the Guardian. He added: "They are talking the talk, but they have failed to walk the walk."

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The Amazon rainforest is now emitting more carbon dioxide than it is able to absorb, scientists have confirmed for the first time. The emissions amount to a billion tonnes of carbon dioxide a year, according to a study. The giant forest had previously been a carbon sink, absorbing the emissions driving the climate crisis, but is now causing its acceleration, researchers said.

Most of the emissions are caused by fires, many deliberately set to clear land for beef and soy production. But even without fires, hotter temperatures and droughts mean the south-eastern Amazon has become a source of CO₂, rather than a sink.

Growing trees and plants have taken up about a quarter of all fossil fuel emissions since 1960, with the Amazon playing a major role as the largest tropical forest. Losing the Amazon’s power to capture CO₂ is a stark warning that slashing emissions from fossil fuels is more urgent than ever, scientists said.

The research used small planes to measure CO₂ levels up to 4,500 m above the forest over the last decade, showing how the whole Amazon is changing. Previous studies indicating the Amazon was becoming a source of CO₂ were based on satellite data, which can be hampered by cloud cover, or ground measurements of trees, which can cover only a tiny part of the vast region.

The scientists said the discovery that part of the Amazon was emitting carbon even without fires was particularly worrying. They said it was most likely the result of each year’s deforestation and fires making adjacent forests more susceptible the next year. The trees produce much of the region’s rain, so fewer trees means more severe droughts and heatwaves and more tree deaths and fires.

The advert above was created by a North American organization called States United to Prevent Gun Violence.

A palavra “cringe” viralizou nas redes sociais no Brasil em 2021. Observe sua definição, em português, apontada pelo “Dicionário Informal” on-line:

Vergonha alheia;

Exemplo de uso da palavra cringe:
A cena que presenciamos ontem foi muito cringe.
É cada situação cringe que presenciamos.
Não consigo nem ver, de tão cringe.

Veja, agora, a definição da mesma palavra pelo “Cambridge Dictionary”, também em versão on-line:

to suddenly move away from someone or
something because you are frightened

to feel very embarrassed:

- I cringed at the sight of my dad dancing.

Examine a tirinha, publicada na conta do Instagram “dinos and comics”, em 05.07.2021.