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Analysis and Comment (8)

Carbon emissions from burning fossil fuels and cement-making reached 36 billion tonnes in 2013. Carbon emissions from burning fossil fuels and cement-making reached 36 billion tonnes in 2013. Shutterstock

Mapping global carbon emissions

The latest report on global carbon emissions released this week revealed that carbon dioxide emissions will likely reach 40 billion tonnes this year. Growth in emissions continues to match the worst-case…
Using tree measurements by Papua New Guinean villagers such as Daniel and Jackson, scientists can estimate that this tree stores about one tonne of carbon in its trunk and branches. Using tree measurements by Papua New Guinean villagers such as Daniel and Jackson, scientists can estimate that this tree stores about one tonne of carbon in its trunk and branches. Michelle Venter

How tree huggers can save forests with science

While hugging a tree sounds relaxing, it’s harder than you might think - especially when the tree is 20 storeys high and 3 metres wide, it’s hot as hell, and you’re swatting away swarms of sweat bugs…
Carbon double-take: shoppers will turn to eco-friendly groceries, mainly when they’re cheap. Carbon double-take: shoppers will turn to eco-friendly groceries, mainly when they’re cheap. Flickr/Bruce A Stockwell

Do carbon labels change shopping behaviour?

If everyday items were labelled according to the carbon emissions embodied in them, would shoppers change what they buy? And if they did, would it make a difference in the grand scheme of things? Voluntary…
It’s not just greenhouse gases that affect climate: other air pollution could be changing atmospheric circulation. It’s not just greenhouse gases that affect climate: other air pollution could be changing atmospheric circulation. NASA Goddard Photo and Video

Poleward-shifting climate zones - where are they headed and why?

The Earth’s principal climatic zones appear to be shifting poleward. If this continues, as climate models project, the weather patterns that give rise to deserts in the subtropics, and stormy wet weather…
Car ownership is tightly regulated in Chinese cities such as Shanghai. Car ownership is tightly regulated in Chinese cities such as Shanghai. Dr Matthew Burke

Don’t be Shanghaied! China has started down the carbon cutting highway

How often do we hear the argument that Australia’s moves to limit carbon emissions will achieve nothing unless China finally takes some action? This fails to recognise that China’s city mayors, the government…
Households will bear more financial burdens as Gillard’s carbon tax regime matures. Households will bear more financial burdens as Gillard’s carbon tax regime matures. AAP

Carbon tax will make working families pay for problems markets created

The carbon tax is short-term carrot and long-term stick. The Coalition’s campaign against “a great big new tax” drove Gillard to introduce a tax for which most people and businesses affected will be compensated…
The move away from nuclear energy may be counterproductive. The move away from nuclear energy may be counterproductive. Greenpeace Finland

We can’t abandon nuclear now

It won’t surprise many people that world carbon emissions have failed to slow down, but the fact we’re now at risk of surpassing targets set for nine years hence, intended to limit the global rise in temperature…
Not that large? $26 is the single most important number in Garnaut’s report. Not that large? $26 is the single most important number in Garnaut’s report. AAP

Is Garnaut’s $26 per tonne the right price for carbon?

The most important single number in the latest Garnaut Review is 26, the proposed starting value for the carbon tax, expressed in dollars per tonne of carbon dioxide emitted. By coincidence, this is exactly…

Research and News (2)

Research Briefs (10)

Human urine: a wee energy producer?

Carbon from dried human urine has been extracted for use in chemical fuel cells. These cells traditionally use platinum as…

Deep Earth carbon cycles cracked

Carbon modelling is easier to create for surface cycles, but deep in the Earth’s crust things become a lot more difficult…

Carbon released at highest ever rates

The rate of release of carbon into the atmosphere is nearly ten times as fast as during the Paleocene-Eocene Thermal Maximum…