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The vast ice of Antarctica has long seemed impregnable. But sudden changes are arriving – from shrinking sea ice to melting ice sheets and slowing ocean currents.
Scientists say unusually mild temperatures linked to low-pressure system over Iceland directing strong flow of warm air towards north pole
These powerful ‘rivers in the sky’ provide a huge share of annual precipitation in many regions, including California. They can also melt sea ice, with global climate implications.
The world is currently seeing the fastest-spreading, largest-ever outbreak of H5N1, a highly contagious, deadly strain of avian influenza. Scientists say this virus now presents an existential threat to the world’s biodiversity, with the risk to humans rising as it continues to leap the species barrier, reaching new host species.
Global weather is constantly in motion. The Southern Hemisphere is currently in Winter, and strong weather patterns will start a warming event in its Stratosphere. These events are rare, but powerful, having historically been strong enough to affect the entire globe.
