Tuesday, February 27, 2024

The protection of the ozone layer allowed to avoid further warming


Paris – AFP

The Montreal Protocol, which encouraged efforts against the ozone hole, prevented global warming by 2.5 ° C by 2100, resulting in the banning of certain types of aerosols, according to a study published in the journal Nature.
Climate warming caused by greenhouse gases is estimated to be around 1.1 degrees Celsius compared to the pre-industrial period, causing a series of catastrophes including deadly floods, heat waves, fires and hurricanes.
The Montreal Protocol was signed in 1987, which states that gases of CFCs (especially used in refrigerators and aerosols) can cause skin cancer by causing a “hole” in the gas membrane and can harm the eyes and the immune system.
According to the study, climate change could reach 4 degrees Celsius, although other gases could control temperatures below 1.5 degrees Celsius, as specified in the Paris Agreement.
In addition to attacking the ozone layer, CFC gases have a strong greenhouse effect, trapping 10,000 times more heat than carbon dioxide. But researchers have not yet seen the potential impact of additional ultraviolet rays on nature’s ability to absorb our greenhouse gases.
Since the 1960s, forests and land have absorbed about 30% of carbon dioxide from human activity, and 20% of emissions are separated by the oceans. Based on the simulations, researchers led by Paul Yang of the University of Lancaster concluded that the ability of a plant to absorb carbon dioxide was severely affected by substances that also affect the ozone layer. Paul Yang said the scene was “disastrous for human and plant health.”

Rolf Colon
Rolf Colon
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