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The link between climate change and air pollution

The current energy model is the main cause of two of the most important environmental problems

The link between climate change and air pollution

Two of the planet’s main environmental problems, climate change and air pollution, are linked. To begin with, though, it‘s important to distinguish clearly between them to understand the links they have, in what way they differ, and the solutions they might share.

First, climate change is the global variation of the climate of the Earth due to natural causes and also human actions. It has many consequences with global impact, mainly due to changes in climate patterns, the rising sea level and more extreme meteorological phenomena. Climate change is not only an environmental phenomenon, its negative impacts have social and economic consequences, too.

For its part, air pollution is the presence, in the air, of substances or particles that imply danger, damage or disturbance for humans, flora or fauna. The main sources of atmospheric contamination are tropospheric ozone gases (O3), sulfur oxides (SO2 and SO3), nitrogen oxides (NO and NO2), benzo(a)pyrene (BaP) and particulate matter (PM). These gases result mainly from emissions caused by the burning of fossil fuels (including emissions generated by transport), industrial processes, burning of forests, aerosol use, and radiation.

 

A common origin

Both problems are a result of the same context: the current energy model. Both climate change and air pollution are worsened by the burning of fuel, increasing the CO2 emissions which cause global warming. Meanwhile, the generation of other pollutants, such as nitrogen oxides (NO and NO2), sulfur oxides (SO2 and SO3) and particulate matter, is the main reason the air is contaminated.

Social harm of climate change and air pollution

Another characteristic shared by both phenomena is their serious impact on society. Climate change causes drought, flooding, deforestation, homelessness and extinction of animal and plant species… resulting in famine and disease. Atmospheric pollution causes six million deaths a year worldwide and a quarter of lung cancer cases, heart attacks and strokes, representing 0.3% of world GDP in health costs, as well as reducing productivity at work.

Discover which causes, consequences and solutions are shared by climate change and air pollution

And it’s getting worse

Air pollution and climate change are getting worse. The impacts mentioned above will be felt with increasing severity as time goes on if we do not change the energy model. The effects will be more devastating for both the planet and for people’s health. CO2 accumulates and can last at least 100 years in the atmosphere. The global level of air pollution could increase fivefold over the next half-century if the situation is not remedied.

The link between climate change and air pollution

Energy transition as a common solution

The final comparison we can make between climate change and air pollution is the most hopeful: both share a common solution, the introduction of a more sustainable energy model. Energy efficiency, more renewable energy, the use of electric vehicles, less resource consumption, application of measures from the Paris Agreement… will ultimately serve to reduce the polluting emissions that raise the temperature of the planet and make the atmosphere such a polluted environment.

 

Source: El Confidencial.

 

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