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On December 5, 2002, the world first celebrated World Soil Day, recognizing the importance of soil to the natural environment and human development.
 
Soil is vital to the agricultural industry. It regulates nutrients, water, and temperature needed for successful crop growth. Soil is also critical to securing healthy groundwater supplies and vital to sequestering carbon during periods of climate change.
 
2015 was the International Year of Soils, which aimed to raise awareness about the importance of healthy soil. Activities aimed to halt poor agricultural practices that threaten healthy soils, such as irrigation methods that allow valuable topsoil to be lost through erosion.
agricultural practice
Noun

method used to harvest crops or care for livestock.

celebrate
Verb

to observe or mark an important event with public and private ceremonies or festivities.

chalk
Noun

a soft mineral. Also called limestone and calcium carbonate.

clay
Noun

type of sedimentary rock that is able to be shaped when wet.

Noun

gradual changes in all the interconnected weather elements on our planet.

critical
Adjective

very important.

Noun

agricultural produce.

development
Noun

construction or preparation of land for housing, industry, or agriculture.

environment
Noun

conditions that surround and influence an organism or community.

Noun

act in which earth is worn away, often by water, wind, or ice.

garden
Noun

area of ground where food, flowers, and other plants are cultivated.

Noun

water found in an aquifer.

industry
Noun

activity that produces goods and services.

Noun

watering land, usually for agriculture, by artificial means.

Noun

substance an organism needs for energy, growth, and life.

regulate
Verb

to determine and administer a set of rules for an activity.

sand
Noun

small, loose grains of disintegrated rocks.

sequester
Verb

to isolate or remove.

soil
Noun

top layer of the Earth's surface where plants can grow.

Noun

degree of hotness or coldness measured by a thermometer with a numerical scale.

threaten
Verb

to scare or be a source of danger.

topsoil
Noun

the most valuable, upper layer of soil, where most nutrients are found.

vital
Adjective

necessary or very important.