The Pacific Ocean may be warming as a result of China’s efforts to combat air pollution. A recent study indicates a link between the northeast Pacific heat waves and China’s lowering of aerosol emissions.
Pollution-related aerosols, which are minuscule particles, have the ability to reflect sunlight away from Earth. The Earth absorbs more heat when there are less aerosols, which could account for the rising temperatures in the Pacific.
Researchers from Ocean University of China examined data from 2010 to 2020 for their investigation. It discovered a link between the onset of heat waves in the Pacific and China’s effective reduction of aerosol emissions. This relationship was verified by computer simulations, which demonstrated that the region’s temperatures rose as a result of fewer aerosols.
The effects of these warmer seas are disastrous. The study connects fish extinctions, harmful algal blooms, and even whale disappearances to heat waves. Beyond the Pacific, the effects may have contributed to the catastrophic California drought that occurred from 2013 to 2016.
The issue poses a difficult problem. Aerosols are a contributing factor to global warming, but they also result in millions of premature deaths each year from respiratory issues.
The researchers urge a reevaluation. Although China’s clean air initiatives are praiseworthy, the study asks that they take the unanticipated impacts on Pacific temperatures into account. It is imperative to find a means of lowering aerosols while lessening their warming effect.