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While world leaders gather in Brazil for Cop30, it is vital to assess how we are faring together in reducing worldwide emissions of greenhouse gases.

In spite of 30 years of UN climate summits, nearly 50% of the carbon dioxide accumulated in the atmosphere since the Industrial Revolution has been released after the year 1990. Incidentally, 1990 marked the publication of the First Assessment Report by the IPCC, which confirmed the threat of human-caused global warming. As scientists work on the Seventh Assessment Report, they do so knowing that scientific findings remains eclipsed by political agendas. Despite sincere attempts, the world is remains dangerously off track to avert dangerous global warming.

Unprecedented CO₂ Levels and Fossil Fuel Dependency

Latest figures show that atmospheric carbon dioxide levels reached a record high of 423.9 ppm in the year 2024, with the increase rate from 2023 to 2024 surging by the largest yearly increase since modern measurements began in 1957. Based on the international carbon monitoring initiative, ninety percent of worldwide carbon dioxide output in 2024 came from burning fossil fuels, while the remaining 10% was due to land-use changes such as forest clearance and forest fires.

Although the increase in fossil CO₂ emissions in 2024 was driven by higher use of gas and oil—accounting for more than 50% of worldwide discharges—coal burning also attained a record high, constituting forty-one percent. In spite of Cop28’s global stocktake urging nations to move beyond fossil fuels, global strategies still intend to produce more than double the quantity of hydrocarbons in the year 2030 than is consistent with limiting global warming to 1.5C, with ongoing drilling of natural gas rationalized as a less polluting bridge fuel.

The Illusion of Nature-Based Solutions

Rather than concentrating on financial motivators to accelerate the elimination of carbon fuels, climate policies are overly dependent on feel-good nature positive approaches that seek to cancel out CO2 output by afforestation instead of reducing factory discharges. While conserving, enlarging, and rehabilitating ecological absorbers like woodlands and marshes is beneficial in itself, research has shown that there is insufficient territory to reach the worldwide target of net zero emissions using nature-based solutions by themselves.

Roughly 1 billion hectares—an area larger than the United States of America—is required to meet carbon neutrality commitments. More than forty percent of this area would need to be transformed from existing uses like agriculture to carbon capture initiatives by the year 2060 at an never-before-seen pace.

Even if this ideal restoration could be achieved, woodlands require years to grow and are susceptible to fires, so they cannot be considered as a fast or lasting carbon storage solution, particularly in a rapidly shifting climate. As extreme heat and dryness engulf larger regions, these well-intentioned efforts could literally go up in smoke.

The Diminishing of Planetary Absorbers

Research data tells us that about 50% of the carbon dioxide released annually stays in the air, while the remainder is absorbed by oceans and land ecosystems. With global heating, these environmental absorbers are losing efficiency at soaking up CO₂, meaning that more carbon builds up in the air, further exacerbating climate change. Shifting the reduction responsibility onto the agricultural and forest sectors effectively excuses the oil and gas sector from the urgency to cut pollution in the near future.

The Climate Liability and Future Generations

Reaching net zero by 2050 demands CO2 extraction (CDR), which currently relies almost exclusively on land-based measures to soak up excess carbon from the atmosphere. Emitting companies can easily purchase offsets to counterbalance their discharges and continue with business as usual. At the same time, the planetary heat imbalance caused by the burning of fossil fuels keeps on further destabilise the global climate system. Essentially, we are increasing our climate liability to our global account, leaving future generations with an insurmountable burden.

To limit the magnitude and duration of exceeding the global warming targets, the world ultimately needs to surpass the balancing impact of carbon neutrality and start to remove past carbon outputs to achieve a carbon-negative state.

The Political Distortion of Carbon Neutrality

According to the most recent data from the Global Carbon Project, vegetation-based CDR is presently absorbing the equivalent of about 5% of annual fossil carbon dioxide emissions, while technology-based CDR represents only about one-millionth of the CO2 emitted from carbon sources. Optimistic sector projections place it at around zero point one percent of total global emissions. Without meaning to be controversial, the political distortion of carbon neutrality is a deceptive gap that takes focus away from the research-based necessity to eliminate the primary cause of our overheating planet—fossil fuels.

The Urgent Need for Definite Steps

Although this scientific reality should lead discussions at the climate summit, past events indicates that polite incrementalism and deference to politics will win out. Ambiguous promises of future ambition will keep on postpone the pressing requirement for concrete immediate action. Until leaders are brave enough to implement carbon pricing to bring the era of fossil fuels to a definitive end, we are releasing increasing amounts of CO2 to the air, compounding the physical catastrophe currently happening across the globe.

The challenge we confront is straightforward: take real action to the scientific reality of our crisis or endure the consequences of this profound moral failure for generations ahead.