Acid Rain


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Acid Rain

Precipitation with low pH, usually resulting from excessive sulfur or nitrogen oxides in the atmosphere. Acid rain is detrimental to both plant and animal life. It has become less common since the 1970s, when governments began to take steps to reduce the sulfur released into the air.
References in periodicals archive ?
"Walking in acid rain, or even swimming in a lake affected by acid rain, is no more dangerous to humans than walking in normal rain or swimming in non-acidic lakes," environment protection agency said, (https://edition.cnn.com/2018/05/09/us/hawaii-kilauea-volcano-acid-rain/index.html) CNN reports.
Rain becomes acid rain when its pH drops to 5.0 or below, the CNA reported.
With regard to fresh bodies of water, acid rain can also increase the alkalinity of lakes, rivers and even those dedicated to aquaculture, she said.
The researchers find a greater level of particulate air pollution and associated premature mortality under the Acid Rain Program than under a hypothetical no-trade scenario in which units emitted SO2 at a rate equal to 2002 allowance allocations plus observed drawdowns of their allowance banks.
Acid rain is a broad term referring to rain, snow, sleet, hail, fog, and deposits of particles and gases from the atmosphere.
According to the study, concentrated sulphuric acid rains and intense ocean acidification by SO3-rich impact vapors resulted in severe damage to the global ecosystem and were probably responsible for the extinction of many species.
The ecological effects of acid rain are most visible in the aquatic environments, such as streams, marshes and lakes.
Acid rain, we were told, would decimate our woodland trees but didn't and global warming, which promised us a Mediterranean climate, didn't either so these phrases were abandoned by our clever environmentalists in favour of climate change which is flexible and can explain any change in our weather.
The paper cited another health official, Mohammad Alavi, as saying acid rain may have caused symptoms such as shortness of breath among those admitted to hospitals.
'It's generally accepted that acid rain harms trees, but the value of our study is that it proves the causal link between the chronic loss of soil calcium caused by decades of acid ram and its impact on tree growth,' said John Battles of UC Berkeley, who led the study.