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IPCC Fifth Assessment Report

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Extreme weather is more common than ever. EPA

How does the IPCC know climate change is happening?

Climate change is one of the few scientific theories that makes us examine the whole basis of modern society. It is a challenge that has politicians arguing, sets nations against each other, queries individual…
The IPCC’s latest report sets the record straight on science (again), but could be stronger on the economic case for climate action. EPA/Niels Ahlmann Olesen/AAP

New IPCC report: busting myths, both scientific and economic

The headline statements of the Intergovernmental Panel on Climate Change’s new Synthesis Report – unequivocal climate change, almost certainly driven largely by humans, and an urgent need to cut emissions…
The IPCC is clear on the dangers of fossil fuels. Pete Markham

Stark IPCC climate report shows the time for talking is over

The Intergovernmental Panel on Climate Change (IPCC) is set to publish the “synthesis report” of its fifth assessment period, drawing on three individual working group reports already published on: the…
Renewable energy is an excellent way to hedge against the impacts of climate policies. Indigo Skies Photography/Flickr

Finally, some light relief for the Renewable Energy Target

The Australian government has just received a vitally important report to guide their decisions on the future of Australia’s Renewable Energy Target (RET). But it’s not the RET review report of the Coalition-appointed…
A new study finds overwhelming odds that humans have contributed to higher global temperatures – so how much are we willing to gamble that it’s wrong? Kraevski Vitaly/Shutterstock

99.999% certainty humans are driving global warming: new study

There is less than 1 chance in 100,000 that global average temperature over the past 60 years would have been as high without human-caused greenhouse gas emissions, our new research shows. Published in…
A record-breaking winter heatwave - which makes pretty nice weather for a dip. DAN HIMBRECHTS/AAPIMAGE

Winter heatwaves are nice … as extreme weather events go

If you’ve stepped outside at lunchtime in Sydney over the past few days, you’d be forgiven for thinking that it was more like early summer than the beginning of winter. On each of the past 23 days, the…
Treasurer Joe Hockey didn’t even mention the word climate in his budget speech. AAP Image/Lukas Coch

The budget shows we’re now flying blind on climate change

The word “climate” was conspicuously absent from Joe Hockey’s first budget speech as treasurer. It’s not hard to guess why – the full budget sets out major cuts to climate research, and strong moves against…
IPCC leaders release their climate mitigation report in Berlin - but governments already have one eye on next year’s UN climate summit. EPA/Joerg Carstensen

‘Censored’ IPCC summary reveals jockeying for key UN climate talks

In the wake of this month’s Intergovernmental Panel on Climate Change (IPCC) report on ways to cut global greenhouse gas emissions, accusations began to fly in the media that the report had been censored…
Pollution on an industrial scale. SARIN KUNTHONG

Cutting emissions now makes business sense for industry

The Intergovernmental Panel on Climate Change’s (IPCC) Fifth Assessment Report tells us that CO2 and other greenhouse gas emissions are continuing to rise and that, unchecked, climate change will likely…
While green business is commendable, canola-fuelled elevators will not save us from climate change. monique/Flickr

Can business save us from climate change?

Without a functional international climate policy, and a set of Australian policies that look set to be repealed, it might seem that business offers the greatest hope for mitigating climate change. Business…
Gas-fired industry to reduce emissions in the short-term. Jorge Franganillo

IPCC changes its tune on gas as way to mitigate climate change

The International Panel on Climate Change’s Working Group 3 report is a welcome outline of how to stem the tide of climate change. It illustrates a significant change in strategy, from a complete switch…
Changing how we consume energy is the best way to mitigate climate change. Adam Bowie/Flickr

We all need to pay for climate change mitigation

While the latest IPCC report on mitigation doesn’t recommend any particular strategy for reducing carbon emissions, it suggests changing energy consumption is a key mitigation strategy. According to the…
Biomass energy plants, such as this one in the UK, could be crucial for a low-emission future. Peter Robinson/Wikimedia Commons

IPCC expert wrap: the need for emissions-negative energy

The world may have to rely on “emissions-negative” energy technologies in the latter half of this century, according to the…
For the first time the IPCC has addressed the ethical, as well as technical, issues of reducing greenhouse emissions. EPA/How Hwee Young/AAP

IPCC: emissions cuts are about ethics as well as economics

The new report from the Intergovernmental Panel on Climate Change shows that global greenhouse gas emissions have grown faster than ever over the last decade. Taking action to achieve the world’s goal…
No vote: despite activists' urgings, the 2009 Copenhagen climate talks were stymied by the threat of veto. EPA/HENNING BAGGER/AAP

Votes, not vetoes: a new way to cut a United Nations climate deal

Anyone who has watched in frustration as the United Nations repeatedly failed to secure a meaningful climate treaty could be forgiven for taking a rather glum view on this weekend’s report by the Intergovernmental…

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