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Here’s what can happen after a giant iceberg splits into a dozen pieces

Back in December, reports warned that a 1,620 square mile iceberg that broke off the Antarctic Peninsula was on its way to collide with South Georgia Island in the South Atlantic. Scientists feared that they would crush corals, sponges and plankton on the ocean floor and cut off seals and penguins from their normal hunting grounds, forcing them to take long and dangerous detours. As it turns out, the Wall Street Journal reports, “warmer water and the torque of the current have broken the iceberg known as the A68a into a dozen pieces,” which appear to be drifting further north, missing South Georgia Island. If so, the penguins and seals will be spared the collision, and the drifting icebergs can instead cause more problems for humans and potentially block shipping lanes. Still, there are significant risks to marine life, reports the journal. When the icebergs melt, cold fresh water rushes into the ocean, potentially killing phytoplankton and unbalancing the food chain. Without phytoplankton, the krill that feed on them would starve, which in turn would lead to “population depletion” of fish, seals, penguins and whales. A research team from the British Antarctic Survey is on the way to study the impact of icebergs on the region’s marine ecology and to get a feel for what to expect if more icebergs break off the Antarctic ice shelf as global temperatures rise. “Everyone is doing everything possible to make this happen,” Povl Abrahamsen, oceanographer and research team leader, told the Journal. Read more in the Wall Street Journal. More stories from Senator Ivanka? CIA analysts involved in briefing Biden should no longer be trusted after defending the torture program. Former CIA officer explains, former CIA officer explains why Biden rightly does not take the risk of broadcasting Trump intelligence briefings

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