Scientists Warn Against Misleading Climate Metrics for Methane Emissions
Over 40 scientists warn against push for agri-methane ‘temperature neutrality'
Deccan Herald
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Over 40 scientists, including notable IPCC authors, have issued a statement cautioning against the misuse of alternative climate metrics like Global Warming Potential Star (GWP*). They argue that these metrics allow major methane emitters to maintain high emissions while falsely claiming climate neutrality, undermining global efforts to reduce methane emissions as outlined in the Paris Agreement.
- 01The statement was signed by 42 scientists, including prominent figures like Mark Howden and Drew Shindell.
- 02The Global Methane Pledge aims for a 30% reduction in methane emissions by 2030.
- 03High-income countries are expected to reduce emissions faster due to their historically higher contributions.
- 04Countries like New Zealand, Ireland, and Australia have per capita agricultural methane emissions exceeding their equitable global share.
- 05The scientists emphasize the urgent need for all sectors to contribute to methane reduction to limit global warming to 1.5°C.
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A group of over 40 scientists from around the globe has raised concerns regarding the manipulation of climate metrics, particularly the **Global Warming Potential Star (GWP*), which they believe undermines efforts to combat methane emissions. The scientists, including 11 authors from the Intergovernmental Panel on Climate Change (IPCC), argue that such metrics enable major methane emitters to continue high levels of emissions while falsely claiming to be 'climate neutral'. They urge governments to adhere to the Global Methane Pledge, which targets a 30% reduction in methane emissions by 2030 and emphasizes the need for a 47-60% reduction by 2050 to meet Paris Agreement goals. The statement highlights that most agricultural methane emissions come from high-income countries, which should lead the charge in emission reductions. Additionally, the scientists call for companies to cease misleading claims of climate neutrality associated with methane-intensive products. They assert that reducing methane emissions can provide immediate benefits in combating global warming, complementing longer-term reductions in carbon dioxide. As climate impacts become increasingly evident, the scientists stress that all countries and sectors must take responsibility for addressing methane emissions to limit global temperature rise to 1.5°C**.
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The call for stricter methane emission reductions could lead to more sustainable agricultural practices and improved climate resilience, particularly in high-income countries.
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