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Reference Terms
from Wikipedia, the free encyclopedia

Plant

A plant is a living organism that belongs to the kingdom Plantae and is characterized by its ability to produce its own food through photosynthesis. Most plants are rooted in soil, have stems and leaves, and contain the green pigment chlorophyll, which captures sunlight to convert carbon dioxide and water into glucose and oxygen. This process not only sustains the plant itself but also supports life on Earth by generating oxygen and serving as the foundation of most food chains.

Plants come in a wide variety of forms, from tiny mosses and grasses to towering trees and flowering shrubs. They play critical roles in ecosystems by stabilizing soil, regulating water cycles, providing habitats, and storing carbon. Many plants also have reproductive structures such as flowers or cones and produce seeds that enable them to reproduce and spread.

In addition to their ecological importance, plants are essential to human life. They provide food, medicine, fiber, fuel, and raw materials for countless industries. Their beauty and diversity also contribute to cultural and aesthetic value around the world. Understanding and protecting plant life is key to preserving biodiversity and sustaining the health of the planet.

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Earth & Climate News

March 25, 2026

People often get the environmental impact of food wrong, according to new research. While many assume processed foods are the worst, they tend to overlook the surprisingly high impact of items like nuts and underestimate how damaging beef really is. ...
Tiny plastic particles aren’t just choking oceans and cities—they’re quietly infiltrating forests too. Scientists discovered that most microplastics arrive through the air, settling onto treetops before being washed or dropped to the forest ...
Beavers may be unlikely climate heroes, but new research suggests they could play a powerful role in fighting climate change. By building dams and transforming streams into wetlands, these industrious animals dramatically reshape how carbon moves ...
A hidden freshwater system deep beneath the Great Salt Lake has been revealed using airborne electromagnetic surveys. Scientists found that freshwater extends much farther under the lake than expected, reaching depths of up to 4 kilometers. The ...
Antibiotics are accumulating in a major Brazilian river, especially during the dry season when pollution becomes more concentrated. Scientists even detected a banned drug inside fish sold for food, raising concerns about human exposure. A common ...
A mysterious spike of platinum buried deep in Greenland’s ice has long fueled theories of a catastrophic comet or asteroid strike 12,800 years ago—possibly triggering a sudden return to icy conditions known as the Younger Dryas. But new research ...
Tropical peatlands, some of the planet’s largest underground carbon stores, are now burning at levels never seen in at least 2,000 years. By analyzing charcoal preserved in peat across multiple continents, scientists discovered that fires had ...
Pink granite boulders sitting mysteriously atop Antarctica’s Hudson Mountains have led scientists to a stunning discovery: a hidden granite mass buried beneath Pine Island Glacier, stretching nearly 100 km wide and 7 km thick. By dating the rocks ...
AI’s growing energy use sounds alarming, but its global climate impact may be far smaller than expected. Researchers found that while AI consumes huge amounts of electricity, it barely moves the needle on overall emissions. The real impact is more ...
The asteroid impact that wiped out the dinosaurs didn’t keep life down for long. New research shows that microscopic plankton began evolving into new species within just a few thousand years—and possibly in under 2,000 years—after the ...
Spiders and insects may not be fan favorites, but they are vital to the health of ecosystems—and scientists barely know how they’re doing. Researchers found that nearly 90% of North America’s insect and arachnid species have no conservation ...
Researchers have uncovered a universal pattern showing how temperature affects life on Earth. Across thousands of species—from microbes to reptiles—performance rises gradually with warming until an optimal temperature is reached, after which it ...

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