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Articles on Climate change

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Mass extinctions caused by rapidly escalating levels of CO2 have occurred before. Global warming image from www.shutterstock.com

Another link between CO2 and mass extinctions of species

It’s long been known that massive increases in emission of CO2 from volcanoes, associated with the opening of the Atlantic Ocean in the end-Triassic Period, set off a shift in state of the climate which…
A proportion of investors want to avoid controversial asset classes - but would it pay off?

Can super investors really bank on ethical investment?

One quarter of Australians would be willing to switch superannuation funds to avoid investing in coal or coal seam gas, according to a recent survey. Not only does this research raise important questions…
The study showed increased plant growth over a 30 year period in northern areas of the Earth. NASA's Goddard Space Flight Center Scientific Visualization Studio

Warmer climate boosts northern crops but the bad soon outweighs the good

Climate change is creating warmer growing conditions in parts of the Earth’s northern regions, a new study has found, but experts warn that drought and heat wil soon cancel out the agricultural benefits…

Current temperatures hotter than history

Today’s temperatures are nearly unprecedented in the past 11 000 years, a new study from Oregon State University has found…
People affected by floods move to higher grounds in Khoski, Sindh province, Pakistan, 17 September 2011. AAP

Weather extremes: atmospheric waves and climate change

The northern hemisphere has experienced a spate of extreme weather in recent times. In 2012 there were destructive heat waves in the US and southern Europe, accompanied by floods in China. This followed…
Recent research shows an acidifying ocean is more damaging to coral than we’d hoped. Community Eye Health

Jumps in ocean acidity put coral in more peril

Ocean acidification - where the ocean becomes less alkaline as it absorbs excess CO2 from the atmosphere - has been described as the evil twin of global warming. Yet, remarkably, it is only over the past…
Heat, floods and fire: it’s not just weather. timswinson.com

Angry summer shaped by a shifting climate

The hottest summer on record. The hottest month on record. The hottest day ever recorded for the whole of Australia. Heatwaves, bushfires, record rainfall and floods – extreme events across the land. This…
Australia just experienced the hottest summer on record. Leonard Matthews

The hottest summer on record: experts react

Data analysis from the Australian Bureau of Meteorology has confirmed last summer was the hottest on record, with January the hottest month recorded since 1910, when records began. Average temperatures…
Another summer, not quite like the other summers. Steve Lacy

Floods, fires and lots of heat: summing up summer 2012-13

We all know what to expect from summer in Australia. From December through March it will be hot, there will be storms and floods, and there will be bush fires. It’s been like that for as long as history…
Australia’s latest summer has been significant for weather and for climate. VIBE Audio

Hot summer? Yes: the hottest

This summer hasn’t just felt hot. It’s been hot. In fact, the summer of 2012-13 is now the hottest on record. Average temperatures beat the record set in the summer of 1997-98, and daytime maximum temperatures…
Coal threatens our future: what kind of investment is that? AAP Image/Paul Miller

Future Fund drops tobacco: should fossil fuels be next?

After a year long public campaign, the Future Fund has today announced plans to end its $222 million investment in tobacco. The decision follows much debate about whether the Future Fund should engage…
Look at ocean temperatures if you want to know whether the earth is still warming. NASA Goddard Space Flight Center

Fact check: has global warming paused?

“The UN’s climate change chief, Rajendra Pachauri, has acknowledged a 17-year pause in global temperature rises, confirmed recently by Britain’s Met Office, but said it would need to last ‘30 to 40 years…
Researchers say labour capacity is being reduced during hot months as a result of climate change. AAP/Kimimasa Mayama

Climate change linked to declines in labour productivity

Increases in humidity caused as a result of climate change are reducing labour productivity and it’s only likely to get worse over time, argue researchers from America’s National Oceanic and Atmospheric…
We have to get used to the idea that climate change doesn’t happen in a smooth line. thinboyfatter/flickr

Time to stop hiding behind warming trends

Dr Rajendra Pachauri, head of the IPCC, has reportedly acknowledged to Graham Lloyd of The Australian, that there is a “17-year pause in global temperature rises”, a fact that apparently has been suppressed…

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