العلوم والبيئة
Cryosphere decline beyond safe planetary limits, putting conditions for human society at risk
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New research published at COP31 issues a stark warning about the health of the frozen parts of the planet—ice sheets, mountain glaciers, sea ice, permafrost and snow cover—known as the cryosphere. The study, published in Science, finds that human-driven climate change is degradin
New research published at COP31 issues a stark warning about the health of the frozen parts of the planet—ice sheets, mountain glaciers, sea ice, permafrost and snow cover—known as the cryosphere. The study, published in Science, finds that human-driven climate change is degrading these landscapes beyond safe environmental limits, systematically threatening the Earth system conditions on which humanity fundamentally depends.
أخبار ذات صلة
The Sun unleashed a monster storm. Earth may have made it worse
The massive solar storm that illuminated skies worldwide in May 2024 has uncovered an unexpected twist: Earth's own atmosphere may have helped make the storm so powerful. Satellite measurements revealed that roughly 85% of the charged particles fueling the disturbance originated
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Meteors don't just burn up. What really happens is far more violent
Scientists have uncovered seven surprising stages that space rocks go through as they hurtle toward Earth, revealing that melting and violent fragmentation, rather than simple evaporation, determine their fate. The discovery could help explain why meteorites scatter across the gr
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Scientists discover a hidden oxygen reservoir deep inside Earth
Scientists have discovered that magma deep inside Earth can store surprising amounts of extra oxygen, potentially revealing a hidden contributor to our planet's oxygen-rich atmosphere. The findings suggest that ancient volcanic eruptions may have helped transform Earth's atmosphe
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Solving the space junk crisis isn't just about counting trash—it's about control and economics
If people ever think about cleaning up space debris, they typically think of something equivalent to a giant garbage truck in the sky, collecting lost astronaut tools and dead satellites, then hauling them back down to Earth to be deposited in a landfill. But dealing with space d
Phys.org - latest science and technology news stories ·
Earth's orbital asymmetries share recurring rhythms with El Niño, study finds
Every few years, an unusual warming of surface waters across the central and eastern tropical Pacific—known as El Niño—reorganizes atmospheric circulation worldwide, bringing severe droughts to some continents and torrential rainfall to others. For decades, oceanographers and met
Phys.org - latest science and technology news stories ·