🔗 Share this article

As global leaders assemble in Brazil for Cop30, it is vital to assess our collective progress in lowering worldwide emissions of greenhouse gases.

In spite of 30 years of United Nations climate conferences, nearly 50% of the CO2 built up in the atmosphere after the dawn of industrialization has been released since 1990. Coincidentally, 1990 marked the release of the initial scientific evaluation by the IPCC, which confirmed the threat of human-caused global warming. As scientists work on the Seventh Assessment Report, they do so aware that scientific findings remains overshadowed by political influences. Despite well-intentioned efforts, the world is remains far from the path to avert catastrophic climate change.

Unprecedented CO₂ Levels and Fossil Fuel Dependency

Latest figures show that atmospheric carbon dioxide levels reached a new peak of 423.9 ppm in 2024, with the growth rate from 2023 to 2024 jumping by the biggest annual rise since record-keeping started in the late 1950s. According to the international carbon monitoring initiative, ninety percent of total global CO₂ emissions in 2024 came from the combustion of carbon-based energy sources, while the remaining 10% resulted from land-use changes such as deforestation and forest fires.

Although the increase in fossil CO₂ emissions in 2024 was propelled by increased use of gas and oil—accounting for more than 50% of global emissions—coal burning also reached a historic peak, making up forty-one percent. Despite the previous climate summit's evaluation calling for nations to move beyond carbon fuels, collective plans still intend to extract over twice the quantity of fossil fuels in the year 2030 than is consistent with limiting planet heating to 1.5C, with continued extraction of gas rationalized as a lower emission bridge fuel.

The Illusion of Nature-Based Solutions

Instead of concentrating on financial motivators to speed up the phase-out of carbon fuels, environmental strategies are overly dependent on feelgood eco-positive approaches that aim to cancel out CO2 output by planting trees rather than cutting industrial emissions. While conserving, enlarging, and rehabilitating natural carbon sinks like forests and wetlands is beneficial in itself, research has shown that there is insufficient territory to reach the global goal of net zero emissions using nature-based solutions by themselves.

Approximately one billion hectares—an area larger than the USA—is required to meet net zero pledges. Over forty percent of this land would need to be converted from current applications like food production to carbon sequestration projects by 2060 at an never-before-seen pace.

Although this regenerative utopia could be realized, forests require years to grow and can burn down, so they cannot be considered as a quick or lasting carbon storage solution, particularly in a rapidly shifting environment. While extreme heat and dryness engulf more of the planet, these well-intentioned efforts could literally be destroyed by fire.

The Weakening of Planetary Absorbers

Research data indicates that about 50% of the carbon dioxide released annually remains in the atmosphere, while the rest is absorbed by oceans and land ecosystems. As the planet warms, these natural carbon sinks are losing efficiency at capturing CO₂, which means that additional CO2 builds up in the atmosphere, intensifying climate change. Transferring the reduction responsibility onto the land sector simply relieves the fossil fuel industry from the pressure to reduce emissions in the near future.

The Climate Liability and Future Generations

Achieving carbon neutrality by mid-century requires carbon dioxide removal (CDR), which currently depends largely on terrestrial methods to absorb excess carbon from the air. Emitting companies can simply purchase offsets to counterbalance their emissions and proceed with business as usual. Meanwhile, the planetary heat imbalance resulting from the combustion of hydrocarbons continues to further destabilise the Earth’s climate. In effect, we are increasing our climate liability to our planetary credit card, passing on our descendants with an unpayable liability.

To curb the scale and length of overshoot the Paris Agreement temperature goals, the world eventually needs to surpass the neutralising effect of net zero and begin to drawdown past carbon outputs to achieve a carbon-negative state.

The Policy Misrepresentation of Net Zero

According to the most recent data from the international carbon research group, vegetation-based CDR is presently absorbing the equivalent of about five percent of annual fossil carbon dioxide emissions, while technology-based CDR represents only about a tiny fraction of the carbon released from carbon sources. Optimistic industry estimates place it at around 0.1% of total global emissions. Without meaning to be controversial, the policy twisting of carbon neutrality is a deceptive gap that distracts from the scientific imperative to eliminate the primary cause of our overheating planet—carbon-based energy.

The Urgent Need for Definite Steps

While this research-backed truth should dominate talks at Cop30, past events suggests that polite incrementalism and deference to politics will prevail. Ambiguous promises of future ambition will keep on delay the urgent need for concrete immediate action. Until leaders are brave enough to implement carbon pricing to terminate the age of hydrocarbons, we are releasing more and more carbon to the atmosphere, worsening the environmental disaster currently happening across the globe.

The challenge we face is straightforward: genuinely respond to the scientific reality of our crisis or suffer the consequences of this deep ethical lapse for generations ahead.