Artificial turf

Artificial turf is a surface made from special materials that look like real grass. It is used in places like sports stadiums, backyards, and businesses where grass would normally grow. Unlike real grass, artificial turf does not need water or regular cutting, though it does need cleaning sometimes. It is especially useful in places that do not get much sunlight, like indoor stadiums or areas far from the equator, because real grass would not grow well there.

Artificial turf became well-known in 1966 when a material called ChemGrass was put into the brand-new Astrodome. It was created by a company called Monsanto and named AstroTurf. Today, "AstroTurf" is a common name for any kind of artificial turf, even though it belongs to a different owner now.

Older versions of artificial turf have been improved over time. The first type had short fibers without any extra material mixed in. Later versions added longer fibers and sand to make it better. The newest types also include recycled rubber mixed with the sand. These newer kinds look more like real grass and are considered safer for sports.

History

David Chaney, who moved to Raleigh, North Carolina, helped create the first well-known artificial turf. A famous sports magazine called him important for helping create indoor major league baseball.

Artificial turf was first used in 1964 at a school in Providence, Rhode Island. It became famous in 1966 when a special kind of artificial grass, called AstroTurf, was put in the Astrodome in Houston, Texas. The stadium first tried to use real grass, but it didn’t work well. Because there wasn’t enough artificial grass right away, only part of the field was ready when the season started. The rest was added a few months later.

Soon after, many stadiums in the United States and Canada started using artificial turf for both baseball and American football.

Sports applications

Baseball

Artificial turf was first used in Major League Baseball in the Houston Astrodome in 1966. The grass there couldn’t grow because the dome didn’t let in enough sunlight. They replaced it with a special artificial grass called AstroTurf. This made “astroturf” a common name for artificial grass.

Many MLB stadiums later used artificial turf, especially where natural grass was hard to keep. Today, a few MLB stadiums still use artificial turf because it’s easier to care for in harsh weather or special stadium designs.

American football

The first professional American football team to use artificial turf was the Houston Oilers in 1968. More teams followed, especially in temporary stadiums. By 2021, about half of all NFL teams used artificial turf. Some players prefer natural grass, and there has been talk about whether turf might affect health over time.

Canadian football

The first Canadian football stadium to use artificial turf was in Vancouver in 1970. Today, most Canadian Football League stadiums use it because it handles cold weather better. Only one CFL stadium still uses natural grass.

Cricket

Some cricket fields use artificial or hybrid grass, especially in the United Kingdom and Australia. The first artificial turf cricket field in the U.S. opened in Fremont, California in 2016.

Field hockey

Artificial turf changed field hockey a lot when it was introduced in the 1970s. It made the game faster and allowed new playing styles. The turf used for hockey is different—it’s shorter and designed to keep the game fast.

Association football

Artificial turf is used in some association football places where natural grass is hard to keep, like in very cold areas or busy stadiums. Its use depends on the rules of different leagues and countries. Some leagues allow it, while others ban it.

In the past, some clubs in Europe tried artificial turf but later went back to grass. Today, it’s allowed in some competitions but not in top leagues like the Premier League. Some players and fans have concerns about it.

Rugby union

Rugby union also uses artificial surfaces in some professional stadiums. Some fields mix natural grass with synthetic fibers to make a surface that lasts longer and handles weather better.

Tennis

Carpet has been used for indoor tennis for a long time. AstroTurf and other artificial surfaces are also used sometimes. There are even “artificial clay” surfaces that mimic real clay courts. Some famous tennis places like Wimbledon are looking into using hybrid grass that mixes natural and artificial fibers.

Golf

Artificial turf is used on some golf driving ranges and putting greens. It’s cheaper and easier to care for than real grass, especially for places that don’t want to spend a lot. But it’s not used on regular golf course fairways because shots would damage it too much.

Pesäpallo

In pesäpallo, a sport similar to baseball, some stadiums use artificial grass under the clay playing surface.

Motor racing

Artificial grass is sometimes used around the edges of race tracks. It gives less grip than other surfaces and can sometimes cause problems for drivers if it gets stuck to their cars.

Other applications

Landscaping

Since the early 1990s, synthetic grass has been used more in dry areas of the western United States for homes and businesses. It saves water, but some places do not allow it because they want to keep natural gardens. In some places, people have had to pay fines or remove artificial grass because of these rules.

Airports

Airports sometimes use artificial grass because it has many benefits. It does not attract wild animals, it looks good all year, and it helps prevent damage from small objects on the runway. Some systems can even have special lights built into the turf.

Tanks for octopuses

Artificial turf is often used in tanks for octopuses, especially the Giant Pacific octopus, because it stops them from escaping. The turf prevents their suction cups from sticking tightly to the tank walls.

Environmental and safety concerns

The first big study about artificial turf and its effects on the environment and health came out in 2014. Since then, scientists have been looking at possible risks. It’s still hard to say if artificial turf is better or worse for the environment than real grass because many things can change the results, like how the turf is made and how often it’s used.

Artificial turf can get warmer than real grass when the sun shines, and it doesn’t help take in carbon dioxide like plants do. Some studies say real grass might be worse for the environment because it needs more work to build and keep up. But other studies say artificial turf can cause more pollution, especially with tiny bits of plastic and rubber getting into the air and water.

Even though many think artificial turf doesn’t need much care, it still needs regular cleaning and fixing to stay safe and work well. There are also worries that chemicals from the turf could be bad for health, especially for kids playing on it. Some people are concerned that playing on artificial turf might lead to more injuries than on real grass because the surface is harder and doesn’t move much. Scientists and governments are still studying these issues to understand the best ways to use artificial turf safely.