Aerosol Emission Reduces Impact Of Global Warming On The Arctic
A new study on climate change finds that aerosol emissions may have reduced the devastating effects of global warming on the Arctic before 1970s. Researchers studying the effects of air pollution on sea ice growth in the mid-20th century have observed that sea ice was unperturbed by human-caused climate change until the Clean Air regulation in the 1970s. In fact, there was an extensive sea ice increase before the regulation was implemented.
Looking into a recently recovered Russian observations, scientists find an increase in sea ice from 1950 to 1975 as large as the subsequent decrease in sea ice observed from 1975 to 2005. The new observations of this past sea ice expansion led researchers to develop a new study focused on the search for the cause. The finding of the study reveal that air pollution is to blame for the observed Arctic sea ice expansion.
Researchers say that in the past, particles from aerosol emissions which come primarily from the burning of fossil fuels may have temporarily masked the effects of global warming in the eastern Arctic. Components of aerosol emission, called sulfate aerosols, can reflect sunlight back into space which cools the surface. This cooling effect may have lowered the influence of global warming on Arctic sea ice, the Phys.org reports.
The cooling effect may have also resulted in sea ice expansion that was recorded by Russian aerial surveys over the arctic from 1950 through 1975. "The cooling impact from increasing aerosols more than masked the warming impact from increasing greenhouse gases," John Fyfe, a senior scientist and a co-author of the new study, says. To test the aerosol emission idea, the study used computer modeling to replicare sulfate aerosols in the Arctic from 1950 through 1975, the ZME Science reports.
Unusually high concentrations of aerosol emissions were recorded during these years before regulations like the Clean Air Act limited the use of sulfur dioxide emissions that produce sulfate aerosols. Interestingly, aerosols aren’t chemically stable and only last up to a few weeks in the atmosphere. As a result, the cooling effect gradually dissipated after the 1980s following clean air regulations, leaving greenhouse gases to spike up the rate of ice loss we see today.
Who Owns Antarctica? Find Out Facts About This Icy Continent
Who owns Antarctica and all of its rich marine life? Facts about this continent include a treaty which bans any country from claiming any part of the cold wasteland.
How To Build Testosterone Naturally -- Health Experts Give Tips
Health experts recommend ways that build testosterone naturally to be healthy and to avoid risks from hormone therapy. A simple, healthy lifestyle is actually all you need to boost those male hormones up.
Is Klonopin An Opioid? Experts Give Answer
Does the popular sedative Klonopin have the same effects as the deadly opioids?The rise of opioid deaths have opened the eyes of the public on the roles of Klonopin and opioids in the current drug epidemic.
Heat Waves And Pollution In Asia Worsen US Smog
According to new research, heat waves and air pollution in Asia have increased smog in the US. These can be deadly for vulnerable individuals with researches linking them to premature death from heart disease, stroke and lung ailments.
Global Warming Wrecks Havoc In Arctic's Wildlife
Global warming causes plants in the low Arctic of Greenland to bloom sooner than usual, while the emergence of others are delayed. Warmer winters cause spring to come sooner, triggering the changes in nature's clock, and wrecking havoc in its wildlife.
To Slow Down Global Warming, Scientists Propose To Refreeze Te Arctic Sea Ice
With the continuous efforts to eradicate global warming, can we still do something to at least slow down its inevitable adverse effects? What's the truth behind claims that scientists allegedly wanted to refreeze the Arctic sea ice caps to battle the ice melt? Is this the only solution? If so, how will they do it? Find out what experts have to say
MORE IN ITECHPOST
How to Keep Your Remote Team Engaged
Keeping remote employees engaged is especially important given the current state of the world, as COVID-19 continues to spread across the country and impact the economy. Many businesses have quickly adopted the "work from home" model that has been gaining traction for quite some time.
Wellness Technology is a Billion Dollar Industry. Here Comes the Next Wave: Death Positive & Grief Wellness
The World Health Organization estimates that 25% of all people will be affected by mental or neurological disorders at some point in their lives, with roughly 450 million individuals currently struggling with a condition.
Find the build that’s right for you in the Metamorph League and experiment with other playstyles.
Defeat bosses in the Metamorph League and get tons of PoE currency like PoE orbs by knowing what the right build for you is in our Metamorph build guide!
Design Trends you Should Know
For everything from product labels to websites, the right design has a huge impact on people. Keeping up with the latest design styles is important because it lets organizations present a trendier and more modern vibe to their audience. Here are some of the biggest trends you can expect to see in the upcoming years.