Tag: planet

The apocalypse clock has never been so close to midnight, the hour of the end of time

It's 90 seconds to midnight and that means that humanity has never been so close to a global cataclysm, announced the group of scientists who run the apocalypse clock, which monitors not time but the end of time. The war in Ukraine has been singled out.

The Bulletin of the Atomic Scientists, which has been in charge of this symbolic project since 1947, unveiled its new timetable, designed to measure the imminence of a global catastrophe, at a press conference in Washington.

It has been brought forward by 10 seconds and now stands at 90 seconds to midnight, the fateful hour he hopes will never be reached.

The dangers of war in Ukraine

Since 2020, the clock has been 100 seconds shy of midnight, a record since its creation. The doomsday clock "is a symbol that measures how close we are to destroying the world with dangerous technologies that we have made ourselves", according to the scientists.

"We're moving the clock forward, and it's the closest it's ever been to midnight", said the group as it unveiled the new schedule, referring in particular, but "not exclusively", to "the growing dangers of war in Ukraine".

"We live in a time of unprecedented danger, and the doomsday clock represents this reality", explained Rachel Bronson, President of the Bulletin of the Atomic Scientists. Moving the clock forward "is a decision that our experts are not taking lightly. The US government, its Nato allies and Ukraine have a multitude of channels for dialogue at their disposal; we urge leaders to do their utmost to explore all of them in order to move the clock back", she added. This is why the expert group's communiqué will be available in English, Russian and Ukrainian, a first, she added.

In addition to the war in Ukraine and the nuclear threat, the scientists took into account "the persistent threats posed by the climate crisis", as well as the fact that "devastating events, such as the Covid-19 pandemic, can no longer be considered as rare events that occur only once every hundred years". The group of experts also discussed misinformation and surveillance technologies.

Saving time in 1991

Originally, after the Second World War, the clock read minus 7 minutes to midnight. By 1991, at the end of the Cold War, it had moved back to 17 minutes before midnight. In 1953, as well as in 2018 and 2019, it showed minus 2 minutes to midnight.

The Bulletin of the Atomic Scientists was founded in 1945 by Albert Einstein and scientists who had worked on the Manhattan Project, which produced the first atomic bomb. The group of experts sets the new time every year.

RTS afp/fgn

Flood in Pakistan: global warming has triggered a chain reaction

With a third of Pakistan under water, many scientists claim that the floods have been devastating for a number of reasons, starting as early as April.

They are the worst floods that Pakistan has ever known. Tens of millions of people have already been evacuated, without any resources, and more than 1,200 people have died, while a third of the country is under water. The death toll is set to rise in the coming days, as for the moment the entire country is under water and the extent of the damage is still difficult to assess. But what caused such flooding ? According to researchers, it's a combination of climatic events that have set off a chain reaction, starting with global warming.

An extraordinary drought from April and May onwards

From April onwards, the temperature in Pakistan was well above the seasonal norm of around 30-35°C, and for several days exceeded 40°C in many places. Worse still, in the city of Jacobabad, the mercury a rose to 51°Cthe first of its kind in theNorthern hemisphere until this year! "These were not waves of heat normal, it was the worst in the world. We had the hottest place on Earth in Pakistan.explains Malik Amin Aslam in a press release from Natureformer Minister for Climate Change, based in Islamabad.

 

And these extreme heat waves do not bode well. L'air warmer, less dense air than cold air, can therefore retain more moisture. This stored water can then be released into the air.atmosphere once the rainy season had begun. As a result, above-normal rainfall levels were already forecast. What's more, the dryness of the air will naturally lead to a soil drought. These then become more compact, absorbing much less water than when they are inactive. weather soil. As a result, the water that reaches these soils tends to run off instead of infiltrating deep into the earth.

But the drought has also had other consequences. Visit high mountain glaciers in the north of the country melted, much more than usual due to the heat waves. Water was already flowing from the mountains into the Indus, the country's largest river, which crosses it from north to south, when the floods came. This river supplies towns and agricultural installations throughout Pakistan. And according to Zia Hashmi, a water resources engineer at Global Change Impact Studies Centreand flow rates high levels of muddy water in the Hunza river, which feeds the Indus, were observed in July. An observation that suggests a cast iron rapid and more intense than usual, and the possibility that some glacial lakes may have broken their dams.

Flooding so bad that a new lake has been created!

But that's not all! These floods also coincide with the arrival of an area of intense low-pressure in the Arabian Sea to the south of the country, causing heavy rainfall. heavy rains in Pakistan from June. "We rarely have large-scale depression systems happening out there".explains Athar Hussain, climatologist at the University of Islamabad. All these events, combined with a monsoon which started at the end of June helped to produce twice as much rainfall than average during the rainy season. Five times, in the southern provinces. So much so that a new lake has been created, even though the rains are now over!

This lake will recede once the weather dries up, but could well remain for a few days to a few weeks. Just like the water flowing across the country, which has already destroyed 240 bridges, 5,000 kilometres of roads and millions of homes. For this country, the worst is not yet over. Particularly representative of the effects of the global warmingIn a few years' time, such events could become the norm in Pakistan.

Text by futura-sciences.com

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