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Thursday, September 29, 2022
SYDNEY and KUALA LUMPUR, Nov 9 2021 (IPS) - Addressing global warming requires cutting carbon emissions by almost half by 2030! For the Intergovernmental Panel on Climate Change, emissions must fall by 45% below 2010 levels by 2030 to limit warming to 1.5°C, instead of the 2.7°C now expected.
Instead, countries are mainly under pressure to commit to ‘net-zero’ carbon (dioxide, CO2) emissions by 2050 under that deal. Meanwhile, global carbon emissions – now already close to pre-pandemic levels – are rising rapidly despite higher fossil fuel prices.Emissions from burning coal and gas are already greater now than in 2019. Global oil use is expected to rise as transport recovers from pandemic restrictions. In short, carbon emissions are far from trending towards net-zero by 2050.
At the annual climate meetings in Glasgow, carbon pricing is being touted as the main means to cut CO2 and other greenhouse gas (GHG) emissions. The European Union President urged, “Put a price on carbon”, while Canadian Prime Minister Justin Trudeau advocates a global minimum carbon tax.
Businesses are also rallying behind one-size-fits-all CO2 pricing, claiming it is “effective and fair”. But there is little discussion of how revenues thus raised should be distributed among countries, let alone to support poorer countries’ adaptation and mitigation efforts.
Carbon pricing supposedly penalizes CO2 emitters for economic losses due to global warming. The public bears the costs of global warming, e.g., damage due to rising sea levels, extreme weather events, changing rainfall, droughts or higher health care and other expenses.
But there is little effort at or evidence of compensation to those adversely affected. Therefore, poorer countries are understandably sceptical, especially as rich countries have failed to fulfil their promise of US$100bn yearly climate finance support.
The CO2 price market solution is said to be “the most powerful tool” in the climate policy arsenal. It claims to deter and thus reduce GHG emissions, while incentivizing investment shifts from fossil-fuel burning to cleaner energy generating technologies.No silver bullet
Only 22% of GHGs produced globally are subject to carbon pricing, averaging only US$3/ton! Hence, such price incentives alone cannot significantly discourage high GHG emissions, or greatly accelerate widespread use of low-carbon technologies.
Powerful fossil-fuel corporate interests have made sure that carbon prices are not high enough to force users to switch energy sources. Thus, existing CO2 pricing policies are “modest and less ambitious” than they could and should be. Meanwhile, several factors have undermined carbon taxation’s ability to speed up ‘decarbonization’.
First, carbon taxes have never actually provided much climate finance. Second, CO2 taxes misrepresent climate change as due to ‘market failure’, not as a fundamental systemic problem. Third, it seeks efficiency, not efficacy! Thus, it does not treat global warming as an urgent threat.
Fourth, market signals from carbon taxation seek to ‘optimize’ the status quo, rather than to transform systems responsible for global warming. Fifth, it offers a deceptively simplistic ‘universal’ solution, rather than a policy approach sensitive to circumstances. Sixth, it ignores political realities, especially differences in key stakeholders’ power and influence.
Unfair to poor
Even if introduced gradually, the flat carbon tax will burden poorer countries more. Worse, carbon pricing is regressive, hurting the poor more. Thus, the burden of CO2 taxes is heavier on average consumers in poor countries than on poor consumers in ‘average’ countries.
A UN survey showed a seemingly fair, uniform global carbon tax would burden – as a share of GDP – developing countries much more than developed countries. Thus, although per capita emissions in poorer countries are far less than in rich ones, a flat CO2 tax burdens developing countries much more.
Also, a standard carbon tax burdens low-income groups more, by raising not only energy costs directly, but also those of all goods and services requiring energy use. With this seemingly fair, one-size-fits-all tax, low income households and countries pay much more relatively.
Analytically, such distributional effects can be avoided by differentiated pricing, e.g., by increasing prices to reflect the amount of energy used. Also, compensatory mechanisms – such as subsidies or cash transfers to low-income groups – can help.
But these are administratively difficult, particularly for poor countries, with limited taxation and social assistance systems. Furthermore, effectively targeting vulnerable populations is hugely problematic in practice.
Selective investment and technology promotion policies are much more effective in encouraging clean energy and reducing GHG emissions. Huge investments in solar, hydro and wind energy as well as public transport are required, typically involving high initial costs and low returns. Hence, public investment often has to lead.
But most developing countries lack the fiscal capacity for such large public investment programmes. Large increases in compensatory financing, official development assistance and concessional lending are urgently needed, but have not been forthcoming despite much talk.
Climate finance initiatives generally need to improve incentives for mitigation, while funding much more climate adaptation in developing countries. Potentially, a CO2 tax could yield significantly more resources to cover such international funding requirements, but this requires appropriate redistributive measures which have never been seriously negotiated.
Carbon taxes can help
Even without an ostensibly market-determined CO2 price, taxing GHG emissions would make renewable energy more price competitive. The UN advocated a ‘global green new deal’ in response to the 2008-2009 global financial crisis. It noted a US$50/ton tax would make more renewables commercially competitive, besides mobilizing US$500bn annually for climate finance.
A mid-2021 International Monetary Fund (IMF) staff note has proposed an international carbon price floor. This would “jump-start” emissions reductions by requiring G20 governments to enforce minimum carbon prices. Involving the largest emitting countries would be very consequential while bypassing collective action difficulties among the 195 UN Member States.
The scheme could be pragmatically designed to be more equitable, and for all types of GHGs, not just CO2 emissions. But even a global carbon price of US$75/ton would only cut enough emissions to keep global warming below 2°C – not the needed 1.5°C, the Paris Agreement goal!
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