Our carbon budget is not enough to maintain global warming by 2029, comparing to the previous years projections it has been cut to half. What's the actual reason behind this?
Our remaining carbon budget to keep global warming to 1.5°C is quickly running out, according to a recent study headed by Imperial College London. The analysis exposes a troubling reality: our carbon budget has been cut in half compared to previous projections.
According to the Intergovernmental Panel on Climate Change (IPCC), we may produce around 500 gigatonnes (Gt) of CO2 starting in January 2020 and still have a 50% probability of attaining the 1.5°C target. However, the most recent findings indicate that we will have less than 250 Gt of CO2 left in our global carbon budget by January 2023.
This large drop in the carbon budget is mostly due to an increase in greenhouse gas emissions from the combustion of fossil fuels. If we continue at our present rate of emissions, which has climbed to almost 40 billion Gt/year in 2022, we may deplete the carbon budget by 2029, driving global temperatures above the key 1.5°C threshold.
The report emphasizes the need to achieve "Net Zero," in which global emissions are balanced by emissions taken from the atmosphere. Countries have set their own Net Zero objectives to tackle climate change, including India and industrialized nations such as the United States and the United Kingdom.
What's most concerning about these discoveries is the short amount of time we have to take significant action. The window of opportunity for limiting global warming is fast closing, and present attempts to decrease emissions are falling short.
The study's lead author, Dr. Robin Lamboll, says that the government needs to move right away to stop this climate crisis. These findings serve as a clear warning that time is of the essence, and we must act quickly to avoid catastrophic climate impacts.
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