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"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 carbon dioxide, or CO2, is the big one: nearly 75% of Australia's total greenhouse gas emissions are carbon dioxide. Most of those come from the energy sector and the combustion of fossil fuels. But there are other gases involved in the greenhouse story. Methane and nitrous oxide are also contributors to Australia's greenhouse gas account. And both have a much greater impact on the atmosphere in terms of global warming than carbon dioxide."

"The Clean Energy Regulator has today released the 2012-13 National Greenhouse and Energy Reporting (NGER) data publication. The publication includes the total scope 1 greenhouse gas emissions, total scope 2 greenhouse gas emissions and net energy consumption data reported for the 2012-13 financial year for these corporations."

"The Australian Greenhouse office (AGO) is the world's first government agency dedicated to cutting greenhouse gas emissions. It was established in 1998 as a separate agency within the environment portfolio to provide a whole of government approach to greenhouse matters. The AGO is also responsible for the energy star (http://www.energystar.gov.au) and energy rating (http://www.energyrating.gov.au) mandatory programs for buildings, domestic appliances and industrial equipment. "

"National Greenhouse Accounts Factors-July 2012"

"Global greenhouse gas emissions from burning fossil fuels reached the highest levels in human history last year, driven predominantly by Chinese growth, and are projected to surge even further in 2013. New data from the Global Carbon Project - a team of international scientists who track global emissions - finds carbon dioxide released from burning fossil fuels and making cement grew 2.2 per cent in 2012 from the previous year. In 2013 a further 2.1 per cent rise is expected. But the latest data suggests the world's emissions could be slowing. The approximate 2 per cent growth in 2012 and 2013 falls short of the 3.1 per cent average annual rise since 2000. CSIRO climate scientist Dr Pep Canadell - who is also executive director of the Global Carbon Project - told Fairfax Media the emissions rates of the past two years could be the tentative signs of a global slow down."

"The National Greenhouse and Energy Reporting (Measurement) Technical Guidelines (NGER Technical Guidelines) assist corporations to understand and apply the NGER (Measurement) Determination 2008."

"Australian Greenhouse Calculator"

Twenty-one coherent major initiatives could together stimulate sufficient reductions by 2020 to bridge the global greenhouse-gas emissions gap.

"The report is the first index of low carbon activity and its impact on reducing Australia's greenhouse gas emissions.  Learn how Australia is tracking to meet its 5 per cent  emissions reduction target and the 25 per cent target that scientists say is the minimum required to avoid dangerous climate change."

"The latest forecasts from a foremost climate research institute that global warming has slowed present a new challenge to policymakers on how to inject urgency into the campaign to cut emissions of greenhouse gases. Climate change is a growing problem. Each year in the past decade has been hotter than the 1981-2010 average, and extreme heat waves are becoming more frequent. But the research indicates the rate of warming has slowed in the past decade and a half due to temporary natural factors."

"Many Australian consumers and businesses are working on ways to reduce their greenhouse gas emissions. For some, the carbon tax meets their needs: it's designed to specifically motivate changes in behaviour by raising the costs associated with the production of pollution. But others are looking for more direct measures. Do offsets fit the bill?"

"How can putting a price on carbon lower greenhouse gas emissions? Get to grips with the theory of how carbon pricing works."

Last week the world's atmosphere took a giant leap backward. For the first time in more than 3 million years, the atmospheric concentration of carbon dioxide (CO2) reached 400 parts per million. This was recorded at the National Oceanic & Atmospheric Administration's Earth System Research Laboratory located on Mauna Loa in Hawaii right out in the middle of the Pacific Ocean, a long way from major sources of CO2 in Asia and North America. What this means for the environment is uncertain but it's likely that, if no measures are taken to reduce this level of greenhouse gas, we could be headed for 3-4 degrees C warming globally by the end of this century

"THE Customer DATA centers run by Apple are now entirely fueled by renewable energy, as are 75% of all its corporate facilities, according to the company's recently released 'Apple and the Environment` report. But despite the commitment demonstrated by building one of the world's largest solar arrays, as well as a biogas plant, beside its new iCloud facility in Maiden, North Carolina, the annual review of environmental impact also acknowledges that the total greenhouse gas emissions attributable to Apple's products and operations rose by 34% in 2012."

"The world's biggest greenhouse gas emitter, China, has proposed to install a cap on emissions by 2016. The proposal is being hailed as major breakthrough in the push to address global climate change."

"Alcoa (NYSE: AA) announced today that its $21 million Alcoa Wheel and Transportation Products casthouse expansion at its Barberton, Ohio plant is expected to cut in half the total amount of energy used to recycle aluminum for forged wheels, reducing greenhouse gases and increasing the overall efficiency and sustainability of the company's manufacturing process. The recycling facility, the first of its kind in North America, uses advanced technology to produce wheels from re-melted and scrap aluminum. Construction of the 50,000-square-foot facility began in July 2011. It is now up and running at full capacity and has created more than 30 full-time jobs."

"Last night's ABC Q&A program didn't spend much time discussing the issue of climate change, but it nonetheless represented an excellent microcosm of the broader political debate on the issue. On one side you had Bill McKibben, who has dedicated his life to the cause of reducing greenhouse gas emissions. He is trying to put the fear of God into investors that money in fossil fuels is like investing in the horse and buggy industry at the dawn of the motor vehicle. In the other corner was Cory Bernardi, one of the ring leaders behind the toppling of Malcolm Turnbull because of his support for an emissions trading scheme, who believes global warming is a fraud."

"China, the world's largest carbon emitter, has launched its first carbon trading scheme as it tries to reduce pollution from greenhouse gases."

"Find out more about greenhouse gases and how they can influence our climate and weather."

"A new study adds to evidence that future warming will produce lower average rainfall around the world, even though Earth's past warming episodes led to more precipitation. A team of Chinese and US scientists modelled climate data over the last millennium. Their work may help resolve intense debate surrounding palaeoclimatic records and model projections of future greenhouse gas warming."