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Forests: Earth's Vital Lungs Under Threat
17 Dec, 2025
Summary
- Forests cover over 30% of Earth's landmass, slowing deforestation.
- Three major forest types: boreal, temperate, and tropical.
- Tropical forests host half of all species despite small land area.

Forests remain crucial to Earth's health, covering over 30 percent of its landmass. Global efforts have slowed deforestation rates in recent decades, highlighting the importance of these ecosystems for biodiversity, air and water quality, and carbon sequestration. Understanding the distinct characteristics of major forest types is essential.
The three primary forest categories are boreal, temperate, and tropical, each defined by its latitude and climate. Temperate forests, found in mid-latitudes, showcase seasonal beauty and support diverse wildlife. Tropical forests, thriving between the Tropics of Cancer and Capricorn, are unparalleled in biodiversity, harboring approximately half of the world's species despite their relatively small land footprint.
Boreal forests, located in high northern latitudes, are characterized by cold climates and coniferous trees. While less biodiverse, they serve as significant carbon sinks. However, these vital ecosystems are increasingly threatened by rising global temperatures, causing permafrost to melt and releasing stored carbon, impacting climate regulation.