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Climate Change

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Cracking up A massive crack in Antarctica's Larsen C ice shelf is very close to breaking point, and when it fractures it will create an iceberg bigger than Kangaroo Island. So what impact will that have?



Thawing permafrost Arctic peatlands may become a substantial source of nitrous oxide, a greenhouse gas 300 times more potent than carbon dioxide, when they thaw, a new study suggests.



Fast change The Antarctic Peninsula is not only getting warmer, it's getting dramatically greener with a sharp increase in plant growth over the past 50 years.



Trusted advisors Leaked emails from 2015 reveal a bitter dispute within CSIRO, Australia's leading science body, as management tried to prevent top scientists from breaking ranks before the Paris climate summit.



Coral graveyard Parts of the Great Barrier Reef will never fully recover from repeated bleaching of its corals by spikes in sea surface temperatures, scientists say.



Great Moments in Science Many factors have contributed to how Earth has changed over time, but humankind has been a major contributor in a relatively short period of time, writes Dr Karl.



Carbon cities The production of cement is a major source of carbon dioxide, but new research suggests the material that makes up our concrete jungles also plays an important role in reabsorbing carbon emissions.



Kelp killers The southerly migration of voracious tropical fish and urchins are threatening kelp forests along the east coast of Australia, while marine heatwaves and pollution are taking their toll in the south and west, two separate studies have found.



Plant power The rate of growth in atmospheric carbon dioxide has slowed due to an increased uptake of the greenhouse gas by the planet's plants, a new study has suggested.



Earshot Every day, these scientists face evidence of climate change. They explain how they cope with the emotional burden of what they know.



Goner gums It may be harder to spot a mountain ash in parts of Australia's mountains or some species of mallee trees in the outback within 60 years as climate change causes the range of many species of eucalypts to shrink or even disappear entirely, new research suggests.



Climate data Human-induced global warming began as early as the 1830s just as the Industrial Revolution was gaining steam, a new study shows.



Seal science A group of elephant seals in Antarctica has helped show how freshwater from melting ice shelves affects a key part of the engine that drives the circulation of the world's oceans.



Environmental revolution We explore how scientists use drones, the challenges they face, and how the technology is changing our understanding of the world around us.



Warming oceans Great swathes of the temperate kelp forests on Western Australia's reefs that underpin tourism and fisheries industries worth billion annually are gone.