Climate Change & Environment
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12,000 Years Ago, Humans and Climate Change Made a Deadly Team

Climate change, habitat destruction, extinctions — the Earth has seen it all before, thousands of years ago. And humans may have been partly to blame for many of those changes in nature, too.

A new study published Friday in Science Advances shows that the arrival of humans in Patagonia, combined with a changing climate, led to the extinction of many species of megafauna about 12,000 years ago in the southern portion of what is now South America. The research offers a significant moment in the natural history of the continent: a definitive date of the mass extinction of megafauna — large or giant animals, like mammoths and giant sloths — in this part of the world. It also suggests a potential relationship between threatened species and climate change in our own time.

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Clouds and Sea Ice: What Satellites Show about Arctic Climate Change

It is not news that Earth has been warming rapidly over the last 100 years as greenhouse gases accumulate in the atmosphere. But not all warming has been happening equally rapidly everywhere. Temperatures in the Arctic, for example, are rising much faster than the rest of the planet.

Patrick Taylor, an atmospheric scientist at NASA's Langley Research Center in Hampton, Virginia, says that one of the main factors for the Arctic's rapid warming is how clouds interact with frozen seawater, known as sea ice.

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Carbon Dioxide Levels in Atmosphere Forecast to Shatter Milestone

Atmospheric concentrations of CO2 will shatter the symbolic barrier of 400 parts per million (ppm) this year and will not fall below it our in our lifetimes, according to a new Met Office study.

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Antarctic CO2 Hit 400 PPM For First Time in 4 Million Years

We're officially living in a new world.

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World Carbon Emissions Stopped Growing in 2015, Says BP

Carbon emissions stopped growing in 2015 for the first time in 10 years as the world turned its back on coal and embraced energy efficiency and renewable power with increased vigour, according to a new set of statistics.

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Paris Floods Made Almost Twice as Likely by Climate Change, Say Scientists

The Paris floods, that saw extreme rainfall swell the river Seine to its highest level in decades, were made almost twice as likely because of the manmade emissions driving global warming, scientists have found.

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New Insights into the Role of Clouds in Arctic Climate Change

It is not news that Earth has been warming rapidly over the last 100 years as greenhouse gases accumulate in the atmosphere. But not all warming has been happening equally rapidly everywhere. Temperatures in the Arctic, for example, are rising much faster than the rest of the planet.

Patrick Taylor, an atmospheric scientist at NASA's Langley Research Center in Hampton, Virginia, says that one of the main factors for the Arctic's rapid warming is how clouds interact with frozen seawater, known as sea ice.

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If We’re to Win the Climate Struggle, We Must Remain in Europe

Our security and prosperity depend on a successful response to climate change, the most urgent challenge of our time. So does any prospect of a transition to a way of living together that is just and sustainable. And if we fail on climate, we lose the very capacity to shape our destiny that makes sovereignty worth having.

Today’s European Union is, yes, tired, damaged and in need of reform. But without the EU the climate struggle would have been lost already.

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Hidden Risks in a Warming Antarctic

As the rest of the world heats up and the Arctic hemorrhages ice, a different story is playing out in Antarctica. Total ice coverage there has actually increased, and temperatures have risen only mildly. As researchers have attempted to adequately model the changing climate, the Antarctic paradox has served as ammunition for climate change deniers and challenged climate scientists.

But three recently published papers help explain why the Antarctic isn’t falling in line with the rest of the world, while highlighting an overlooked trend in Antarctic sea ice.

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Did Ancient Climate Change Ignite Human Evolution?

Fire has long played a role in myth—from Prometheus in ancient Greece, who stole fire from the heavens and earned the wrath of the gods, to Raven in the Pacific Northwest, whose feathers turned black as he brought fire to the world.

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