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Articles on Climate change

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Warming threatens wheat crops

Climate change could reduce wheat yields, as the grain stops growing prematurely in hotter weather. Scientists analysed the…
Art reflects back the crisis we’ve created. Simon Hennessey: Sunset over Metropolis

Can art change minds where science can’t?

“Artists are shape-shifters and in this there is a perennial, ferocious hope; the hope which transforms, which whispers of possibility, of vision, of change and radical healing. Existing art about climate…
Warmer temperatures mean more female than male turtles, but it’s not all good news for the guys. Dave Scriven

Bachelor’s paradise: how will sea turtles cope with climate change?

Many species have dubious futures in the face of climate change. But sea turtles have a particularly pressing problem: their sex is determined by temperature. Australia has ecologically and culturally…
Vast meadows of seagrass are thought to be the oldest living things on the planet. Flickr/Submon

100,000-year-old seagrass could be the world’s oldest organism

An ancient seagrass that spans up to 15 kilometres and weighs more than 6,000 metric tonnes may be more than 100,000 years old - making it the oldest living organism, Australian researchers have found…
It’s time to pay attention to warnings from the Arctic. NOAA Photo Library

Teetering on a tipping point: dangerous climate change in the Arctic

We are seeing the first signs of dangerous climate change in the Arctic. This is our warning that humanity is facing a dire future. The Arctic region is fast approaching a series of “tipping points” that…
Unlike the Great Barrier Reef, some coral reefs off Western Australia have flourished in the past century. Flickr/kibuyu.

Ocean warming drives growth in coral reefs further south off western coastline

Coral reefs off part of Western Australia’s coastline have flourished over the past 110 years, despite the rise of carbon dioxide levels in the world’s oceans, new research has found. But the growth has…

Worldwide ocean acidity measured

Researchers from the University of California, Santa Barbara have completed a worldwide study of ocean acidification, or…
Shouldn’t we try harder to stop runaway climate change? AAP

Durban did too little: here are alternatives to the UN process

In the month and a half since the Durban climate change conference it has been said that the “international climate process” has been “strengthened” and that Durban resulted in “the means and the ends…
An ice-free world isn’t impossible – even though it seems the stuff of science fiction. Alistair Knock

As emissions rise, we may be heading for an ice-free planet

Last December’s meeting of the American Geophysical Union featured three of the world’s leading climate scientists: James Hansen (NASA’s chief climate scientist), Elco Rohling (National Oceanography Centre…
We should decide how to act based on how risky something is, and how bad the consequences will be. dybarber/Flickr

Responsible scientific advice about climate change is not scaremongering

A popular misconception in the public mind is that science “proves” things by turning them from ideas and theories into absolute “facts”. This more or less confuses science with mathematics. Mathematical…
We know Aboriginal fires affected Australian vegetation, but now we have evidence they altered the monsoon too. ciamabue/Flickr

How Aboriginal burning changed Australia’s climate

For thousands of years, Aboriginal Australians burned forests to promote grasslands for hunting and other purposes. Recent research suggests that these burning practices also affected the timing and intensity…

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