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Articles on Climate change

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Delegates to international climate talks opening in Doha on Monday are unlikely to agree to binding emissions cuts, experts said. http://www.flickr.com/photos/zielonasiec/

Time for gradual emissions cuts is over: climate experts

Time has run out for governments to reduce carbon emissions gradually and only drastic reform can keep catastrophic global warming at bay, a panel of climate change experts said on Friday. Speaking ahead…
The Greenland ice sheet continues to shrink around the edges but grew in the middle, the study found. http://www.flickr.com/photos/chrissy575

Greenland ice loss is accelerating

Global warming has caused nearly 200 billion tons of Greenland’s mass to disappear annually in the last decade but its icy centre actually grew, a new study has found. The melting of the Greenland ice…
What is the long view for humanity? Judah Morford

Views on the future of Homo sapiens

In 1947 the Bulletin of Atomic Scientists set up a clock telling us how close we were to global calamity. It was initially set at seven minutes to midnight; then its hands shifted back to 17 minutes to…
The American people have spoken in favour of climate change by re-electing Barack Obama to a second presidential term. Flickr/350.org

Obama’s second term challenges must include tackling climate change

In his acceptance speech of November 6, Barack Obama at long last reaffirmed the need to address global warming. But unfortunately he also reaffirmed the spurious goal of US oil independence, which can…

Climate linked with bark beetle outbreaks

An increase in mountain pine beetle outbreaks in North America has been linked with climate change. A study of the number…
Global drought is not an effective way to measure climate change. AAP / Jim Lo Scalzo

Global drought has not increased, but climate change is still a threat

Global drought has not increased significantly over the past 60 years, a report in Nature has found. Previous assessments of global drought have relied on the Palmer Drought Severity Index, which only…
There’s not much left to show megafauna were hunted, but that doesn’t prove they weren’t. Peter Murray

Hunting or climate change? Megafauna extinction debate narrows

What is the oldest debate in Australian science? Probably, the argument over what caused extinction of our Pleistocene megafauna – the diprotodons, giant kangaroos, marsupial tapirs, über-echidnas and…
Several countries have backed away from nuclear power following the Fukushima disaster in Japan. http://www.theenvironmentalblog.org/, http://www.flickr.com/photos/environmentblog

Fossil fuel subsidies up, nuclear power down: IEA

Market-distorting fossil fuel subsidies rose 30% from 2010 to 2011, stymying efforts to boost the renewables sector and reduce greenhouse emissions worldwide, a new global report has found. The 2012 World…
Global energy use must grow substantially every year to keep up with population - our decarbonisation efforts aren’t making inroads. Carolyn Chan

The Australian Government, Kyoto and the illusion of progress

The Minister for Climate Change and Energy Efficiency, Greg Combet, announced on Friday that Australia is “ready” to join a second commitment period of the Kyoto Protocol to the United Nations Framework…
Caana pyramid in Caracol, Belize. Image courtesy of Douglas Kennett, Penn State

Rainfall clues link climate change to Maya collapse

Ancient Central American rainfall records suggest climate change was linked to the rise and fall of the Maya civilisation between AD 300 and 1000, a new study has found. Giant stone structures throughout…
A coal ship caught on Nobby’s Beach in Newcastle. The city is the biggest in the world for coal exports. asnewlibrarian/Flick

Why Australia must stop exporting coal

Why get worked up about our climate responsibilities when Australia’s contribution to global emissions – around 1.5% of the total - is small? Here is the usual reply. Australia’s domestic greenhouse gas…
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Climate change, fire may wipe out Australia’s giant gum trees

As Australia gears up for another risky bushfire season this summer, some of its most iconic and valuable forests are at risk. Giant eucalpytus trees rely on fire to regenerate, but an increase in major…
The new normal? … Climate change will be at the forefront of discussion in the weeks following Hurricane Sandy. Wandering the World/Flickr

After the deluge, what hope the politics of climate response?

I am writing with Hurricane Sandy having brought devastation to New York and the East coast of the United States. Much has been written on the politics of climate change. But until a few days ago, a severe…
New Jersey was hit hard by the storm surge. Michael Reynolds/AAP

Losing higher ground: hurricanes and sea level rise

As I write this, the worst coastal flooding effects from Hurricane Sandy’s attack on the densely populated regions of the US northeast are almost over. Even so, the effects have been significant: record…
Recent extreme weather doesn’t tell us how the future will be. EPA/Justin Lane

Hurricane Sandy: the new normal?

Are we now experiencing the “new normal” climate? Let’s look at the recent evidence: A storm of historic proportions is moving up the east coast as a Nor’easter without precedent, since no such storm has…
Sea levels are rising globally at record-breaking rates and Antarctica is playing an increasing role. Matt King

Weigh-in reveals Antarctica’s losing 190 million tonnes a day

A small slice of Antarctica turns up along your coastline each year. We’re all glad it’s just a small slice, given Antarctica could deliver a total sea-level rise of 59 metres. That’s not going to happen…

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