Articles on Greenhouse Gas

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A singular focus on divestment from oil and gas companies to counter climate change could be detrimental. Joe Brusky/Flickr

Divestment from fossil fuels should be linked with active engagement

The broad principle of companies, government bodies and universities divesting from oil, gas and coal companies is sound. But its application needs more sophistication.
Climate costs can seem scary, but it’s all in how you look at them. Bills image from

How to make sense of big, scary climate costs

Is ambitious action on climate change a recipe for a significant hit to the economy and our living standards?
Business, environmental, trade union and social groups all see advantages in looking beyond high-emission industries such as coal-fired power. Nick Pitsas/CSIRO/Wikimedia Commons

Australia’s ‘climate roundtable’ could unite old foes and end the carbon deadlock

The Australian Climate Roundtable unites business, environmental and social groups in calling for a strong climate policy. This unprecedented show of unity might even break down Canberra's climate stalemate.
To find out if the carbon price worked, you have to look at the electricity sector. Paul Hocksenar/Flickr

FactCheck: did carbon emissions fall faster before the carbon price?

Emissions fell by six times the rate in the five years before the carbon tax than they did under the carbon tax. – Environment minister Greg Hunt, The Guardian, January 17, 2015. Australia’s total greenhouse…
The Western Treatment Plant in Werribee, Victoria, largely powers itself using biogas – a by-product of sewage treatment. Jason Patrick Ross/Shutterstock

Biogas: smells like a solution to our energy and waste problems

Could what we flush down the toilet be used to power our homes? Thanks to biogas technology, Australia’s relationship with organic waste – human and animal excreta, plant scraps and food-processing waste…
Australian farmers apply nearly a million tonnes of nitrogen-based fertilisers every year. Pete Hill/Flickr

Meet N2O, the greenhouse gas 300 times worse than CO2

When we talk about greenhouse gases we usually talk about carbon dioxide. When media reports depict climate change, we invariably see the cooling towers of a coal power station. Which is fair, because…
To match the US, Australia would have to increase its emissions reduction target to 25% below 2000 levels. AAP Image/Alan Porritt

FactCheck: are Australian and US climate targets the same?

*If you use the full Kyoto period — 1990 to 2020 — the US is minus 5% and Australia is almost exactly the same. * Environment minister Greg Hunt, Radio National, November 17. *We and the United States…
Planes and airports both have big carbon footprints – and the sector is still growing. ssguy/Shutterstock

Airline emissions are set to rise – and people are threatening to sue

No matter what the aviation industry does to reduce emissions, it will be outweighed by growth in air travel, according to a new analysis. Growth will trump emissions cuts even if significant (and contentious…

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