We must act, but there is some hope.
Antarctica is stunning not only in its immeasurable geographic scale and unprecedented wildlife but the litany of ‘big picture’ stories raising global awareness about climate change.where scientists reported that major ocean currents in Antarctica are beginning to slow and warm because of increased Antarctic meltwater. Deep Antarctic currents are a key component of the ‘Great Ocean Conveyer Belt’ that transports cold, abyssal Antarctic water into both the southern and northern hemispheres.
Another big picture implication of the anthropogenic warming of the ACC is its capacity to accelerate the melting of Antarctica’s sea-ice, ice shelves, and glaciers. One famous case in point is the Thwaites Glacier located in western Antarctica adjacent to the Amundsen Sea. Scientists were surprised to discover that this glacier is retreating at an unprecedented rate, the result largely of warming ocean currents passing under the tongue of the glacier.
Antarctica has an abundance of game-changing, big picture, global, climate change stories to share. Fortunately, these ‘wake-up’ stories are not all predicated on bad news. For example, there is the recent discovery of 1.5 million Adelie penguins on the Danger Islands, located just east of the tip of the WAP where temperatures are still low.
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