By Sharon Atieno

2021 has marked the global end of leaded petrol after an almost two decades long campaign by the United Nations Environment Programme (UNEP) led global Partnership for Clean Fuels and Vehicles (PCFV).

Leaded petrol causes heart disease, stroke and cancer. It also affects the development of the human brain, especially harming children, with studies suggesting it reduced 5-10 IQ points. Banning the use of leaded petrol has been estimated to prevent more than 1.2 million premature deaths per year, increase IQ points among children, save USD 2.45 trillion for the global economy, and decrease crime rates.

Labelled by the UN as a catastrophe for the environment and public health, by the 1980s, most high-income countries had prohibited the use of leaded petrol. However, as late as 2002, almost all low- and middle-income countries, including some Organisation for Economic Co-operation and Development (OECD) members, were still using leaded petrol.

It has taken some time for countries like Algeria, Iraq, Yemen, Myanmar, North Korea and Afghanistan to phase out the product. But July marked the beginning of the new era, when Algeria became the last country to stop providing leaded petrol at service stations.

“The successful enforcement of the ban on leaded petrol is a huge milestone for global health and our environment,” said Inger Andersen, Executive Director of UNEP. “Overcoming a century of deaths and illnesses that affected hundreds of millions and degraded the environment worldwide, we are invigorated to change humanity’s trajectory for the better through an accelerated transition to clean vehicles and electric mobility.”

Despite this progress, the fast-growing global vehicle fleet continues to contribute to the threat of local air, water and soil pollution, as well as to the global climate crisis: the transport sector is responsible for nearly a quarter of energy-related global greenhouse gas emissions and is set to grow to one third by 2050.

While many countries have already begun transitioning to electric cars, 1.2 billion new vehicles will hit the road in the coming decades, and many of these will use fossil fuels, especially in developing countries. This includes millions of poor-quality used vehicles exported from Europe, the United States and Japan, to mid- and low-income countries. This contributes to planet warming and air polluting traffic and bound to cause accidents.

“That a UN-backed alliance of governments, businesses and civil society was able to successfully rid the world of this toxic fuel is testament to the power of multilateralism to move the world towards sustainability and a cleaner, greener future,”  Andersen said.

“We urge these same stakeholders to take inspiration from this enormous achievement to ensure that now that we have cleaner fuels, we also adopt cleaner vehicles standards globally – the combination of cleaner fuels and vehicles can reduce emissions by more than 80%.”

In addition, while we have now eliminated the largest source of lead pollution, urgent action is still needed to stop lead pollution from other sources – such as lead in paints, leaded batteries, and lead in household items.

The end of leaded petrol is expected to support the realization of multiple Sustainable Development Goals, including good health and well-being (SDG3), clean water (SDG6), clean energy (SDG7), sustainable cities (SDG11), climate action (SDG13) and life on land (SDG15). It also offers an opportunity for restoring ecosystems, especially in urban environments, which have been particularly degraded by this toxic pollutant. Finally, it marks major progress ahead of this year’s International Day of Clean Air for blue skies on the 7th of September.

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