Native Oak Tree Ranges in the United States
North America contains the most significant number of oak species. In the United States, the highest diversity of oak species occurs in the eastern states.
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News
US Hispanic Population by County (1990 – 2018)
Hispanics generally are the leading minority ethnic group in the U.S., after non-Hispanic white Americans, and are the second rapidly growing ethnic group by percentage growth after Asian Americans. According to U.S. Census Bureau data, in 2019, Hispanic make up 18.1% of the U.S. population.
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20 Best Maps of 2019
Now that 2019 is almost done, we think it would be interesting to look backward at our most favored maps of the year.
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US African American Population by County (1990 – 2018)
African Americans make up 14.6% (47.8 million) of the U.S. population. In recent decades, there has been an increase in U.S. counties with a predominance of blacks.
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Global Remoteness
The maps are based on distance from cities, roads, railways, and airports. The green areas represent places where travel to the city, road and other transportation facilities can be measured in hundreds of kilometers.
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Remoteness
The road system of the United States now surpasses four million miles in combined length, plus numerous additional service roads and off-road driving trails. The registered roads and their rights-of-way occupy about 1 percent of the land of the U.S.
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How hot cities could be in 2050
Many of the world’s cities will face sharply different climates by 2050. I tried to visualize how climate change will affect world cities. I chose 6,000 cities and examined the current climate for each using the Global Environmental Stratification based on modeling future climate conditions as predicted by 63 of the emission scenario combinations.
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The Infrastructure of Planet Earth
3 percent (4.5 million km2 / 2.8 million mi2) of the Earth’s land cover is occupied by urban areas. However, even non-urban areas contain roads, railroads and other marks of human presence. Only ten percent of the world is truly a wilderness.
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U.S. population aged 0-4 year
In 2017 it was estimated that 5.8 percent of the population of the United States was 0–4 years old.
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The U.S. Population Lines
The visualization shows population density in the United States using the number of people living within a 1 square kilometer grid.
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