Carbon emissions

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Bjorn Lomborg seems to irritate the hell out of many environmentalists. AAP Image/Alan Porritt

Bjorn again

Bjorn Lomborg seems to inspire anything but consensus, but is his approach all that bad?
Car makers pay close attention to the emissions regulations in the countries they export to. Everett Kennedy Brown/EPA/AAP

Could Australia become a dumping ground for high-emission vehicles?

Unlike many countries, Australia does not have mandatory greenhouse emissions standards for cars - meaning that manufacturers are free to sell their least efficient, most polluting vehicles here.
The US proposes to meet its climate targets through regulation, including reducing carbon emissions from coal power plants by a third below 2005 levels. Cathy/Flickr

How the US’s post-2020 climate target could fit into a global deal

The United States' post-2020 climate target raises many questions for this year's global climate talks, and puts pressure on Australia to raise the stakes.
BP’s energy outlook would make it difficult to keep warming below 2C. EPA/BERND THISSEN

BP’s extreme climate forecast puts energy giant in a bind

BP's Energy Outlook report forecast an increase in fossil fuel use by a third. That would make it difficult to keep warming below 2C.
Countries are working towards meetings in Paris in November that could see the first global climate deal since the Kyoto Protocol. Taylor Miles/Flickr

Explainer: how countries could come to a global climate deal in 2015

Ahead of meetings at the end of this year in Paris, countries will submit draft contributions for a global climate deal. The goal: reducing greenhouse gases beyond 2020, and ultimately keeping global warming below 2C.
Switching to alternative energy sources, such as renewables, and using more electric cars could double Australia’s energy productivity. NRMA Motoring and Services/Flickr

Australia could double its energy productivity by 2030: report

A new report shows Australia can and should double its energy productivity, increasing economic productivity while reducing greenhouse gas emissions.
For the first time, the February monthly average carbon dioxide levels at the Mauna Loa Observatory have passed 400ppm. NOAA/Wikimedia Commons

February carbon dioxide levels average 400ppm for first time

We have hit a new milestone in carbon dioxide levels: the average for February topped 400ppm. It's the first time this has happened in the northern winter, when levels are typically lower than in summer.
Renewables or oil? The former means betting each-way on energy storage. The latter means hoping to pull off a trifecta on carbon storage. Hans Engbers/Shutterstock.com

Only a mug punter would bet on carbon storage over renewables

The question of whether the future will be powered by coal and oil or by renewable energy is crucially important, both to the medium-term future of the Australian economy and to the long-term future of…
Chinese president Xi Jinping and Indian prime minister Narendra Modi. EPA/Harish Tyagi

Fair’s fair: time for China and India to step up at climate talks

At the UN Climate Negotiations underway in Lima, Peru, foreign minister Julie Bishop has called on China and India to do more to reduce greenhouse gas emissions. In her address to the conference on Wednesday…
Another million tonnes of this and we can cancel that ski holiday. Jimmy Thomas

Our equation proves climate change is linked to emissions

We know the world is warming and that, unless things drastically change, we will keep emitting more carbon. We know the two are linked. But exactly how much warmer will it become as we emit more carbon…
CSIRO’s solar-concentrating mirrors can be used for several purposes, including creating high-energy ‘SolarGas’. CSIRO

Australia should export more ideas and fewer greenhouse emissions

As climate negotiators meet at the United Nations' Lima summit, which comes hot on the heels of the landmark US-China climate deal, there is a renewed focus on how the world can move to a lower-emissions…
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 are…
The real background would be too polluted. EPA/Petar Kujundzic

What next for China after historic climate deal?

The joint US-China announcement on tackling climate change has been described as “historic”, a “turning point” and a “positive signal”. It has also been written off as insubstantive or even “hype”. The…
Plants use photosynthesis to build molecules and energy they can use. By copying plants, humans can make cleaner fuels. Ranjit Bhatnagar/Flickr

To shift away from fossil fuels, we need to copy plants

Most of the energy that fuels our lives comes from plants. Whether it is a fossil fuel that was formed hundreds of millions of years ago or the food we eat, all carbon-borne energy has its ultimate origins…

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