(CNN) —
A key component of the global oceanic circulatory system, which includes the Atlantic’s Gulf Stream, is at its weakest in more than 1,600 years, a new study has found.
Research recently published in science journal Nature by the University College London (UCL) and Woods Hole Oceanographic Institution (WHOI) has found that the circulation of water in the Atlantic has been declining since the 1800s.
It’s a trend which could exacerbate the effects of climate change, such as rising sea levels on the US East Coast and disrupted weather patterns across North America, Europe and north Africa, including the increase in frequency of extreme weather events, like flooding, drought and winter storms.

Photos: The effects of climate change on the world
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Fossil fuels still comprise the largest source of energy consumed worldwide, coal being the worst CO2-emitter of all. Carbon dioxide emissions are closely tied to climate change, and its effects are already at our doorstep.
Scroll through the gallery to see how communities around the world are being affected

Photos: The effects of climate change on the world
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Joe Raedle/Getty Images North America/Getty Images
Florida —
A flooded street in Miami Beach in September 2015. The flood was caused by a combination of seasonal high tides and what many believe is a rise in sea levels due to climate change. Miami Beach has already built miles of seawalls and has embarked on a five-year, $400 million stormwater pump program to keep the ocean waters from inundating the city.

Photos: The effects of climate change on the world
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Virginia —
Sea water collects in front of a home in Tangier, Virginia, in May 2017. Tangier Island in Chesapeake Bay has lost two-thirds of its landmass since 1850. Now, the 1.2 square mile island is suffering from floods and erosion and is slowly sinking. A paper published in the journal Scientific Reports states that "the citizens of Tangier may become among the first climate change refugees in the continental USA."

Photos: The effects of climate change on the world
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Sean Gallup/Getty Images Europe/Getty Images
Austria —
The Pasterze glacier is Austria's largest and it's shrinking rapidly: the sign on the trail indicates where the foot of the glacier reached in 2015, a year before this photo was taken. The European Environmental Agency predicts the volume of European glaciers will decline by between 22 percent and 89 percent by 2100, depending on the future intensity of greenhouse gases.

Photos: The effects of climate change on the world
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Mario Tama/Getty Images
Greenland —
A NASA research aircraft flies over retreating glaciers on the Upper Baffin Bay coast of Greenland. Scientists say the Arctic is one of the regions hit hardest by climate change.

Photos: The effects of climate change on the world
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Sean Gallup/Getty Images Europe/Getty Images
Switzerland —
A wooden pole that had been driven into the ice the year before now stands exposed as the Aletsch glacier melts and sinks at a rate of about 10-13 meters per year near Bettmeralp, Switzerland.

Photos: The effects of climate change on the world
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John Rubenstahl/CNN Air
Louisiana —
In the Mississippi Delta, trees are withering away because of rising saltwater, creating "Ghost Forests."

Photos: The effects of climate change on the world
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David McNew/Getty Images North America/Getty Images
California —
A street is flooded in Sun Valley, Southern California in February 2017. Powerful storms have swept Southern California after years of severe drought, in a "drought-to-deluge" cycle that some believe is consistent with the consequences of global warming.

Photos: The effects of climate change on the world
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MUJAHID SAFODIEN/AFP/AFP/Getty Images
South Africa —
The carcass of a dead cow lies in the Black Umfolozi River, dry from the effects of a severe drought, in Nongoma district north west from Durban, in November 2015. South Africa ranks as the 30th driest country in the world and is considered a water-scarce region. A highly variable climate causes uneven distribution of rainfall, making droughts even more extreme.

Photos: The effects of climate change on the world
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AFP/Getty Images
Sudan —
A gigantic cloud of dust known as "Haboob" advances over Sudan's capital, Khartoum. Moving like a thick wall, it carries sand and dust burying homes, while increasing evaporation in a region that's struggling to preserve water supplies. Experts say that without quick intervention, parts of the African country -- one of the most vulnerable in the world -- could become uninhabitable as a result of climate change.

Photos: The effects of climate change on the world