Articles on Greenhouse gases

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The sun rises on another smoggy day in China, which is now responsible for a quarter of the world’s greenhouse gas emissions. EPA/Adrian Bradshaw

Rich nations should do more on climate, say Chinese

Greenhouse gas cuts pledged by developed countries will not be enough to stop temperatures rising by 2 degrees by 2100, according…
Economic modelling shows Australia’s GDP will be modestly affected by the carbon tax in the long term: but the equitable redistribution of tax revenue will be critical. AAP

The carbon tax: insurance against climate change?

Cutting greenhouse gas emissions is like buying an insurance policy: we incur a cost to reduce a risk. Every year Australians spend millions on insuring homes, cars and their health, not because they know…
Landcare get-together: reducing our toll on nature comes in part from many of us taking steps that individually are not always so big, but which accumulate. The carbon tax is one such step. Flickr/feral arts

Little by little: the benefits of Australian climate policy

A catchment threatened by salinity can’t be repaired by one or two landholders. Revegetation designed to lower watertables has its greatest ecological benefit where the plants are, but its net impact on…
Flood waters ravaged Toowoomba, in Queensland, in January 2011. AAP/Keira Lappin

2011 to be remembered as the year of extreme weather

Severe droughts, floods and landslides devastated parts of the world last year as carbon dioxide concentrations climbed to…
The two major parties have taken different approaches to compensating households for the carbon tax. Jonas B

The carbon tax, compensation and households: a two-party comparison

The two main political parties agree to reduce greenhouse gas emissions by 2020 to 5% below the 2000 level, or about a 20% reduction below business as usual. However, they propose very different policy…
The 8km-high volcano, Maat Mons, is only one of the reasons to head back to Venus. NASA/JPL

Venus calling – let’s return to the planet of love

Last week the world stopped to watch as the black disc of Venus inched its way across the face of the sun. But beyond the transits that capture our attention roughly twice per century, Venus has always…
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…
Natural records taken from coral, tree rings and ice cores helped to provide a “climate picture” for the past 1,000 years. AAP Image/ARC Centre of Excellence, Natalie Rosser

Post-1950s warming in region unmatched in 1,000 years

Update October 2012: The manuscript “Evidence of unusual late 20th century warming from an Australasian temperature reconstruction…
The transport sector was repsonsible for the biggest increase in emissions in the December quarter. AAP/Sergio Dionisio

Australia on track to meet Kyoto Protocol target

Australia’s greenhouse gas emissions increased by 0.6% year-on-year in the December quarter, despite a drop in electricity…
The one feature of the government’s carbon price framework which has received little analysis is compensation to households. AAP

Why compensating households affected by the carbon tax is bad economic policy

There are many features of the design of the Gillard government’s controversial and complex carbon legislation that can be questioned. For example, Australia’s unilateral action; the two-phase carbon tax…

Air pollution can increase cyclone intensity

New research has found that air pollution is making cyclones in the Arabian Sea more intense. Prevailing wind patterns normally…
It looks delicious, but is a diet free of red meat better for the planet? stu spivack

Could your diet save the planet?

By now most of us have read articles suggesting we “eat less red meat and save the planet”. Some may also have heard statements by the chairman of the Intergovernmental Panel on Climate Change, Dr Rajendra…
A blimp-like balloon can be used to pump particles into the upper atmosphere.

Geo-engineering: why research something we never want to use?

What if the world left it too long to take action on global climate change? Is there a way we could somehow cool the planet before an environmental crisis occurs? Geo-engineering is a potential course…

Oceans can hide global warming for a decade

Computer simulations of global climate have shown that the planet’s oceans can mask the presence of global warming for as…

A canopy view of climate change

A touring art installation has used real-time data collected from the canopies of trees to raise awareness about the environmental…

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