State of polar bear populations

Posted to Maps  |  Tags: ,  |  Nathan Yau

There are an estimated 20,000 to 25,000 polar bears in the world, and the population is expected to decline by 30 percent over the next three generations. Periscopic, in collaboration with the Polar Bear Specialist Group, highlighted the changing populations in this interactive.

The data can be viewed by subpopulation, by nation, and by ecoregions. In the first two views, you can click on geographic regions to see more details about the area, which includes a text overview and time series for more troubling numbers on polar bears killed by humans and pollution. Finally, when you click on a time series or the pollutant levels, you can see the data at a higher granularity.

So there are a few ways to examine the data and different angles to explore. You’ll want spend some time with this one.

1 Comment

Favorites

How We Spend Our Money, a Breakdown

We know spending changes when you have more money. Here’s by how much.

Think Like a Statistician – Without the Math

I call myself a statistician, because, well, I’m a statistics graduate student. However, the most important things I’ve learned are less formal, but have proven extremely useful when working/playing with data.

The Changing American Diet

See what we ate on an average day, for the past several decades.

A Day in the Life of Americans

I wanted to see how daily patterns emerge at the individual level and how a person’s entire day plays out. So I simulated 1,000 of them.