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Warmer water is flowing toward the East Antarctic ice sheet, according to our alarming new research that reveals new potential drivers of global sea level rise. Author Laura Herraiz Borreguero Physical oceanographer, CSIRO Alberto Naveira Garabato Professor, National Center for Oceanography, University of Southampton Jess Melbourne-Thomas Transdisciplinary Researcher & Knowledge Broker, CSIRO The research, published today in Nature Climate Change, suggests changes in water circulation in the Southern Ocean could jeopardize the stability of the East Antarctic ice sheet. The ice sheet, the size of the United States, is the largest in the world. Changes in water circulation are caused by shifting wind patterns, and are linked to factors including climate change. Warmer waters and rising sea levels can damage marine life and threaten human coastal settlements. Our findings underscore the urgency of limiting global warming to below 1.5℃, to prevent the most catastrophic...

The largest shark in our oceans already has a reputation for being gentle giants, and it seems there are more than we ever realized. whale shark ( Typhoid rhino ) is a filter feeder, considered carefully combing the water for small animals such as krill. Among the litany of small swimmers they take are leafy greens made up of algae and other photosynthetic organisms. It’s unavoidable, but researchers wonder if this vegetation is just a garnish for carnivores, or if it provides the side salad needed to keep them swimming. Researchers examining dirt and skin samples identified what these 10-meter (32-foot) long sea hoovers were actually taking advantage of from the giant pool of water they breathed through their system. “The droppings suggest that they ate krill,” said University of Tasmania marine biologist Patti Virtue. “But they don’t metabolize much.” In contrast, whale sharks, which are true sharks with cartilage instead of bones, seem to extract...

Octopus Investment Australia has officially launched a $10 billion renewable energy “platform,” which will seek to finance large solar, wind and battery storage projects and has purchased Australia’s largest operating solar farm. Octopus Australia – a subsidiary of one of the world’s largest investors in clean energy, the Octopus Group – said on Wednesday it had simultaneously closed two full subscription funds co-invested in Australia’s multibillion-dollar renewable energy portfolio. The two investment vehicles are the Octopus Australia Sustainable Investments (Oasis) Fund, open to institutional investors, and the Octopus Renewable Energy Opportunities (Oreo) Fund, open to wholesale investors. Among the institutional investors who have joined the Oasis fund so far are the federal government’s Clean Energy Finance Corporation and Australian pension fund Hostplus, which has more than 1.5 million members and $86.6 billion in funds under management. O...