Unraveling the Net Zero Debate: Fact-Checking Coalition Claims
In the midst of the ongoing discussion about Australia's path to net zero emissions by 2050, some bold statements have been made by Liberal and National party members. Let's dive into these claims and separate fact from fiction.
Will Net Zero Cost Taxpayers $9 Trillion?
Absolutely not! This claim, repeatedly made by David Littleproud, leader of the Nationals, has been clarified by Net Zero Australia, a collaboration between academics from prestigious universities. According to their statement, the cost estimates in their report were misrepresented. The actual additional cost of building an energy system to achieve net zero emissions is estimated to be around $300 billion. This figure doesn't account for the costs of adapting to climate change or repairing climate-related damage, which could be significantly higher if emissions aren't reduced.
Many studies emphasize that the cost of inaction far outweighs the cost of taking action. The $9 trillion figure refers to potential capital investment for energy developments in Australia and for export, which would create industries and jobs. Importantly, Net Zero Australia suggests that the majority of this investment should be funded by overseas customers, not Australian taxpayers.
Net Zero and Electricity Prices: A Controversial Link?
No, the net zero target is not the culprit behind rising electricity prices since 2022. Sussan Ley, leader of the Liberals, attributed a 40% increase in power bills to investment in renewable energy. However, long-term energy industry analysts, like Tony Wood, disagree. He asserts that the price increase has little to do with renewable energy.
The real drivers of price hikes include the Russia-Ukraine conflict, which pushed up global gas prices, and coal price jumps due to flooding at east coast mines. Additionally, outages at ageing coal power plants reduced generation and competition in the power grid. Part of the increase can also be attributed to a rebound in prices after suppression during the COVID-19 pandemic, and annual inflation.
Interestingly, research by Paul Simshauser and Joel Gilmore from Griffith University suggests the opposite - that without renewable energy, electricity generation costs could be up to 50% higher. Dylan McConnell, a senior researcher, emphasizes the need to rebuild the power grid, which will be more expensive than plants built decades ago. The key question remains: what's the most cost-effective way to develop a reliable future grid? Analyses consistently point to renewable energy with firming support as the answer.
Can Australia Stay in the Paris Agreement Without Emissions Targets?
Technically, yes, Australia won't be forced out. However, it would be a clear breach of the agreement made in Paris in 2015. Article 4.3 of the Paris agreement states that countries must make successive commitments that represent a progression and reflect their highest possible ambition. In other words, they must become more ambitious, not less.
The main goal of the Paris agreement is to limit global heating to well below 2°C above pre-industrial levels, with efforts to keep it to 1.5°C. The Intergovernmental Panel on Climate Change (IPCC) found that meeting the 1.5°C goal requires a 45% global emissions cut between 2010 and 2030, and reaching net zero around 2050. The Coalition's position is in direct opposition to this, and their promise to "remain committed" to the Paris agreement while working against its goals raises questions.
Some might argue that this is leaving the agreement in all but name.
Did Emissions Decrease During the Coalition's Term?
Yes, but not because of their policies. According to government greenhouse accounts, annual emissions dropped by about 21% between 2013 and 2022. This decrease was largely due to increased carbon dioxide absorption by forests and land, which experts attribute to state government initiatives, market pressure, and the end of a major drought, rather than federal policy.
Excluding the role of nature, climate pollution fell by only 3% over nine years. This was mainly due to a surge in renewable energy investment to meet a 2020 renewable energy target, which was expanded during Labor's term. Notably, former Prime Minister Tony Abbott considered scrapping this target in 2014 but was unable to do so due to lack of support in the Senate.
Emissions from transport, heavy industry, manufacturing, and mining increased during the Coalition's term.
Can Carbon Capture and Storage (CCS) Cut Emissions Quickly?
There's little evidence to support this claim. Dan Tehan, the shadow minister for energy and emissions reduction, suggested that CCS could provide immediate relief in emissions reduction. However, governments have invested billions over decades to support CCS developments with little success.
According to a report by the Global CCS Institute, there are 77 CCS projects in operation, mostly justifying the ongoing use of fossil fuels by capturing a fraction of pollution at a site. Combined, these projects capture up to 64 million tonnes of CO2 annually, which is a mere 0.17% of global emissions. Furthermore, nearly half of these CCS projects are used for enhanced oil recovery, pumping greenhouse gases underground to extract more oil, a fossil fuel.
So, while CCS may have a role to play, it's not the quick fix some claim it to be.