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Will it work?

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CA lawmakers call for Green New Deal to fight climate change | The Sacramento Bee

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California lawmakers have lent their voices in support of the Green New Deal to battle climate change now being considered in Congress. State Democrats argue global warming has led to a rise in wildfires.

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fighting climate change may be easier than we think (opinion)  - cnn

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Fighting climate change may be easier than we think

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Replacing coal and gas as our primary energy sources will fight climate change without significant increases to the cost of power, writes Geoffrey Heal

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Changes in New York's Climate

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Smog covers midtown Manhattan on July 10, 2007. By 2080, the climate of New York will be similar to that of Arkansas today. (Photo: ADAM ROUNTREE, AP)

"Heading south" will have a whole new meaning in a few decades.

New York City, welcome to Arkansas. Minneapolis, say hello to Kansas. And San Francisco, your new home is L.A.

Because of global warming, hundreds of millions of Americans will have to adapt to dramatically new climates by 2080, a study published Tuesday suggests.

"The children alive today, like my daughter who is 12, they're going to see a dramatic transformation of climate. It's already under way," said study lead author Matt Fitzpatrick of the University of Maryland's Center for Environmental Science.

By 2080, for example, folks who live in New York City will see a climate similar to that of northern Arkansas today. And people in Minneapolis will live in a climate that's equivalent to that of southern Kansas today.

On average, city's climates will move 528 miles to the south if carbon emissions keep soaring at their current levels. If the world cuts back, the cities move on average of 319 miles to the south.

"The climate of many regions is projected to change from the familiar to conditions unlike those experienced in the same place by their parents, grandparents or perhaps any generation in millennia," Fitzpatrick said.

Even more concerning, "many cities could experience climates with no modern equivalent in North America."

More: 250 dead, $91 billion in damages: 2018 was a catastrophic year for U.S. weather; 4th-warmest for globe

Fitzpatrick looked at 540 U.S. and Canadian cities to find out what the future might feel like. He averaged the results from 27 different computer models then found the city that most resembles that futuristic scenario.

Thus, Miami might as well be southern Mexico and the beautiful mornings in future Des Moines, Iowa, could feel like they are straight out of Oklahoma.

Man-made climate change, aka global warming, is caused by the burning of fossil fuels such as gas, coal and oil, which release greenhouse gases such as carbon dioxide (CO2) and methane into the atmosphere. The extra carbon emissions cause temperatures of the atmosphere and oceans to rise to levels that can't be explained by natural causes.

"Under the business-as-usual emissions the average urban dweller is going to have to drive (about 600 miles) to the south to find a climate like that expected in their home city by 2080," Fitzpatrick said.

More: Global warming predicted to melt massive Himalayan glaciers, disrupt food production

More: Melting ice from Greenland and Antarctica could cause more extreme weather

"Wow," said Northern Illinois University climate scientist Victor Gensini, who wasn't part of the study. "The science here isn't new but a great way to bring impacts to the local scale user."

Fitzpatrick said "similar efforts to communicate climate change often focus on temperature only, but climate is more than just temperature. It also includes the amount precipitation an area receives, when it falls during the year, and how much arrives as snow vs. rain.

"Climate change will lead to not only warming but also will alter precipitation patterns."

The study was published in the peer-reviewed British journal Nature Communications.

You'll have to have to drive more than 500 miles to the south to find a climate similar to their home city by 2080. (Photo: Matthew Fitzpatrick/University of Maryland Center for Environmental Science)

More: Extreme heat from climate change a 'medical emergency,' sickening tens of millions worldwide
Contributing: The Associated Press
Read or Share this story: https://www.usatoday.com/story/news/nation/2019/02/12/global-warming-climate-change-shift-climates-south/2847860002/

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'Heading south': Global warming to change climates for millions by 2080

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Smog covers midtown Manhattan on July 10, 2007. By 2080, the climate of New York will be similar to that of Arkansas today. (Photo: ADAM ROUNTREE, AP) "Heading south" will have a whole new meaning in a few decades. New York City, welcome to Arkansas. Minneapolis, say hello to Kansas.

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Human Population Through Time #datavisualization

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Human population is growing at the fastest rate in earths history

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Human population is growing at the fastest rate in earths history

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At the current rate the human population will exceed 8 billion by 2025.
It took approximately 100 years for the worlds population to go from 2 billion to 5 billion.
At the current rate, it will take less than 20 years for the population to increase from 5 billion to 8 billion.

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World Population: Past, Present, and Future

(move and expand the bar at the bottom of the chart to navigate through time)

The chart above illustrates how world population has changed throughout history. View the full tabulated data.

At the dawn of agriculture, about 8000 B.C., the population of the world was approximately 5 million. Over the 8,000-year period up to 1 A.D. it grew to 200 million (some estimate 300 million or even 600, suggesting how imprecise population estimates of early historical periods can be), with a growth rate of under 0.05% per year.

A tremendous change occurred with the industrial revolution: whereas it had taken all of human history until around 1800 for world population to reach one billion, the second billion was achieved in only 130 years (1930), the third billion in 30 years (1960), the fourth billion in 15 years (1974), and the fifth billion in only 13 years (1987).

During the 20th century alone, the population in the world has grown from 1.65 billion to 6 billion.

In 1970, there were roughly half as many people in the world as there are now.

Because of declining growth rates, it will now take over 200 years to double again.

Wonder how big was the world's population when you were born?
Check out this simple wizard or this more elaborated one to find out.

Growth Rate

Population in the world is currently (2020) growing at a rate of around 1.05% per year (down from 1.08% in 2019, 1.10% in 2018, and 1.12% in 2017). The current average population increase is estimated at 81 million people per year.

Annual growth rate reached its peak in the late 1960s, when it was at around 2%. The rate of increase has nearly halved since then, and will continue to decline in the coming years.

World population will therefore continue to grow in the 21st century, but at a much slower rate compared to the recent past. World population has doubled (100% increase) in 40 years from 1959 (3 billion) to 1999 (6 billion). It is now estimated that it will take another nearly 40 years to increase by another 50% to become 9 billion by 2037.

The latest world population projections indicate that world population will reach 10 billion persons in the year 2057.

World Population (2020 and historical)
View the complete population historical table
World Population Forecast (2020-2050)
View population projections for all years (up to 2100)
World Population Milestones

10 Billion (2057)

The United Nations projects world population to reach 10 billion in the year 2057.

9 Billion (2037)

World population is expected to reach 9 billion in the year 2037.

8 Billion (2023)

World population is expected to reach 8 billion people in 2023 according to the United Nations (in 2026 according to the U.S. Census Bureau).

7.9 Billion (2022)

The current world population is 7.9 billion as of February 2022 according to the most recent United Nations estimates elaborated by Worldometer. The term "World Population" refers to the human population (the total number of humans currently living) of the world.

7 Billion (2011)

According to the United Nations, world population reached 7 Billion on October 31, 2011.
The US Census Bureau made a lower estimate, for which the 7 billion mark was only reached on March 12, 2012.

6 Billion (1999)

According to the United Nations, the 6 billion figure was reached on October 12, 1999 (celebrated as the Day of 6 Billion). According to the U.S. Census Bureau instead, the six billion milestone was reached on July 22, 1999, at about 3:49 AM GMT. Yet, according to the U.S. Census, the date and time of when 6 billion was reached will probably change because the already uncertain estimates are constantly being updated.

Previous Milestones

Summary Table

1 - 1804 ( 1803 years): 0.2 to 1 bil.

1804 - 2011 ( 207 years): from 1 billion to 7 billion

World Population by Region

World Population Density (people/km²)

Population density map of the world showing not only countries but also many subdivisions (regions, states, provinces). See also: World Map

Courtesy of
Junuxx at en.wikipedia [ CC-BY-SA-3.0 or GFDL], via Wikimedia Commons

World Population by Religion

According to a recent study (based on the 2010 world population of 6.9 billion) by The Pew Forum, there are:

2,173,180,000 Christians (31% of world population), of which 50% are Catholic, 37% Protestant, 12% Orthodox, and 1% other.

1,598,510,000 Muslims (23%), of which 87-90% are Sunnis, 10-13% Shia.

1,126,500,000 No Religion affiliation (16%): atheists, agnostics and people who do not identify with any particular religion. One-in-five people (20%) in the United States are religiously unaffiliated.

1,033,080,000 Hindus (15%), the overwhelming majority (94%) of which live in India.

487,540,000 Buddhists (7%), of which half live in China.

405,120,000 Folk Religionists (6%): faiths that are closely associated with a particular group of people, ethnicity or tribe.

58,110,000 Other Religions (1%): Baha'i faith, Taoism, Jainism, Shintoism, Sikhism, Tenrikyo, Wicca, Zoroastrianism and many others.

13,850,000 Jews (0.2%), four-fifths of which live in two countries: United States (41%) and Israel (41%).

World Population by Country

How many people have ever lived on earth?

It was written during the 1970s that 75% of the people who had ever been born were alive at that moment. This was grossly false.

Assuming that we start counting from about 50,000 B.C., the time when modern Homo sapiens appeared on the earth (and not from 700,000 B.C. when the ancestors of Homo sapiens appeared, or several million years ago when hominids were present), taking into account that all population data are a rough estimate, and assuming a constant growth rate applied to each period up to modern times, it has been estimated that a total of approximately 106 billion people have been born since the dawn of the human species, making the population currently alive roughly 6% of all people who have ever lived on planet Earth.

Others have estimated the number of human beings who have ever lived to be anywhere from 45 billion to 125 billion, with most estimates falling into the range of 90 to 110 billion humans.

World Population clock: sources and methodology

The world population counter displayed on Worldometer takes into consideration data from two major sources: the United Nations and the U.S. Census Bureau.

1. The United Nations Population Division of the Department of Economic and Social Affairs every two years calculates, updates, and publishes estimates of total population in its World Population Prospects series. These population estimates and projections provide the standard and consistent set of population figures that are used throughout the United Nations system.

The World Population Prospect: the 2019 Revision provides the most recent data available (released in June of 2019). Estimates and projected world population and country specific populations are given from 1950 through 2100 and are released every two years. Worldometer, as it is common practice, utilizes the medium fertility estimates.

Data underlying the population estimates are national and sub national census data and data on births, deaths, and migrants available from national sources and publications, as well as from questionnaires. For all countries, census and registration data are evaluated and, if necessary, adjusted for incompleteness by the Population Division as part of its preparations of the official United Nations population estimates and projections.

2. The International Programs Center at the U.S. Census Bureau, Population Division also develops estimates and projections based on analysis of available data (based on census, survey, and administrative information) on population, fertility, mortality, and migration for each country or area of the world. According to the U.S. Census Bureau, world population reached 7 billion on March 12, 2012.

For most countries adjustment of the data is necessary to correct for errors, omissions, and inconsistencies in the data. Finally, since most recent data for a single country is often at least two years old, the current world population figure is necessarily a projection of past data based on assumed trends. As new data become available, assumptions and data are reevaluated and past conclusions and current figures may be modified.

For information about how these estimates and projections are made by the U.S. Census Bureau, see the Population Estimates and Projections Methodology.

Why Worldometer clocks are the most accurate

The above world population clock is based on the latest estimates released in June of 2019 by the United Nations and will show the same number wherever you are in the world and whatever time you set on your PC. Worldometer is the only website to show live counters that are based on U.N. data and that do not follow the user's PC clock.

Visitors around the world visiting a PC clock based counter, see different numbers depending on where they are located, and in the past have seen other world population clocks - such as the one hosted on a United Nations website and on National Geographic - reaching 7 billion whenever their locally set PC clocks reached 4:21:10 AM on October 31, 2011.

Obviously, the UN data is based on estimates and can't be 100% accurate, so in all honesty nobody can possibly say with any degree of certainty on which day world population reached 7 billion (or any other exact number), let alone at what time. But once an estimate is made (based on the best data and analysis available), the world population clock should be showing the same number at any given time anywhere around the world.

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World Population Clock: 7.9 Billion People (2022) - Worldometer

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How many people are there in the world? World population has reached 7.7 billion. World population live counter with data sheets, graphs, maps, and census data regarding the current, historical, and future world population figures, estimates, growth rates, densities and demographics