America’s Multi-Billion Dollar Sports Betting Industry
In 2015, Americans bet $149 billion illegally on sporting events.
Today’s infographic from Longitude breaks down America’s multi-billion dollar sports betting industry. It shows the four states where fixed odds betting through bookmakers is legal, and it also compares a more legal alternative that’s available in 43 states.
The Sports Betting Industry
Sports betting is a thriving underground business. A recent example of this is Super Bowl 50, which is estimated to have fetched a record-breaking $4.1 billion in illegal bets. Only an additional $100 million of bets, or 3% of the total, were made legally.
But what’s the difference between a legal bet, and an underground one? It all depends on where you live and how the betting is done.
Fixed-odds betting, in which odds are created by a bookmaker, is legal in just four states: Montana, Oregon, Delaware, and of course Nevada.
Pari-mutuel wagering, which instead pools players bets together to calculate odds, is legal in 43 states. Pari-mutuel payout odds depend on the amount of bets, and generate transparent profits because of fixed commission fees paid to the operator.
The US horse racing industry already uses pari-mutuel wagering, and it generates a range of economic benefits. This includes $102 billion in economic benefits generated annually and the support of 1.2 million jobs across the country.
Mapped: What Did the World Look Like in the Last Ice Age?
A map of the Earth 20,000 years ago, at the peak of the last ice age, when colder temperatures transformed the planet we know so well.
What Did the World Look Like in the Last Ice Age?
What did the world look like during the last ice age? Was it all endless glaciers and frozen ice? The answer is a partial yes—with some interesting caveats.
The Last Glacial Maximum (LGM), colloquially called the last ice age, was a period in Earth’s history that occurred roughly 26,000 to 19,000 years ago.
This map by cartographer Perrin Remonté offers a snapshot of the Earth from that time, using data of past sea levels and glaciers from research published in 2009, 2014, and 2021, alongside modern-day topographical data.
Let’s dive into the differences between the two Earths below.
The Last Ice Age: Low Seas, Exposed Landmasses
During an ice age, sea levels fall as ocean water that evaporates is stored on land on a large scale (ice sheets, ice caps, glaciers) instead of returning to the ocean.
|Earth's Ice Cover||20,000 Years Ago||Today|
At the time of the LGM, the climate was cold and dry with temperatures that were 6 °C (11 °F) lower on average. Water levels in the ocean were more than 400 feet below what they are now, exposing large areas of the continental shelf.
In the map above, these areas are represented as the gray, dry land most noticeable in a few big patches in Southeast Asia and between Russia and Alaska. Here are a few examples of regions of dry land from 20,000 years ago that are now under water:
- A “lost continent” called Sundaland, a southeastern extension of Asia which forms the island regions of Indonesia today. Some scholars see a connection with this location and the mythical site of Atlantis, though there are many other theories.
- The Bering land bridge, now a strait, connecting Asia and North America. It is central to the theory explaining how ancient humans crossed between the two continents.
- Another land bridge connected the island of Great Britain with the rest of continental Europe. The island of Ireland is in turn connected to Great Britain by a giant ice sheet.
- In Japan, the low water level made the Sea of Japan a lake, and a land bridge connected the region to the Asian mainland. The Yellow Sea—famous as a modern-day fishing location—was completely dry.
The cold temperatures also caused the polar parts of continents to be covered by massive ice sheets, with glaciers forming in mountainous areas.
Flora and Fauna in the Last Ice Age
The dry climate during the last ice age brought about the expansion of deserts and the disappearance of rivers, but some areas saw increased precipitation from falling temperatures.
Most of Canada and Northern Europe was covered with large ice sheets. The U.S. was a mix of ice sheets, alpine deserts, snow forests, semi-arid scrubland and temperate grasslands. Areas that are deserts today—like the Mojave—were filled with lakes. The Great Salt Lake in Utah is a remnant from this time.
Africa had a mix of grasslands in its southern half and deserts in the north—the Sahara Desert existed then as well—and Asia was a mix of tropical deserts in the west, alpine deserts in China, and grasslands in the Indian subcontinent.
Several large animals like the woolly mammoth, the mastodon, the giant beaver, and the saber-toothed tiger roamed the world in extremely harsh conditions, but sadly all are extinct today.
However, not all megafauna from the LGM disappeared forever; many species are still alive, including the Bactrian camel, the tapir, the musk ox, and the white rhinoceros—though the latter is now an endangered species.
Will There Be Another Ice Age?
In a technical sense, we’re still in an “ice age” called the Quaternary Glaciation, which began about 2.6 million years ago. That’s because a permanent ice sheet has existed for the entire time, the Antarctic, which makes geologists call this entire period an ice age.
We are currently in a relatively warmer part of that ice age, described as an interglacial period, which began 11,700 years ago. This geological epoch is known as the Holocene.
Over billions of years, the Earth has experienced numerous glacial and interglacial periods and has had five major ice ages:
|Major Ice Ages||Name||Time Period (Years Ago)|
|1||Huronian Glaciation||2.4 billion - 2.1 billion|
|2||Cryogenian Glaciation||720 million - 635 million|
|3||Andean-Saharan Glaciation||450 million - 420 million|
|4||Late Paleozoic ice age||335 million - 260 million|
|5||Quaternary Glaciation||2.6 million - present|
It is predicted that temperatures will fall again in a few thousand years, leading to expansion of ice sheets. However there are a dizzying array of factors that are still not understood well enough to say comprehensively what causes (or ends) ice ages.
A popular explanation says the degree of the Earth’s axial tilt, its wobble, and its orbital shape, are the main factors heralding the start and end of this phenomenon.
The variations in all three lead to a change in how much prolonged sunlight parts of the world receive, which in turn can cause the creation or melting of ice sheets. But these take thousands of years to coincide and cause a significant change in climate.
Furthermore, current industrial activities have warmed the climate considerably and may in fact delay the next ice age by 50,000-100,000 years.
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