biosphere

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The island was designated a Unesco biosphere reserve in 2019, which recognises the sustainable ways in which local people work with their natural environment.

From BBC • Apr. 8, 2026

Scherf and Lammer compared these potential biosphere lifetimes with how long it took life on Earth to evolve technology -- about 4.5 billion years -- and with the expected longevity of intelligent species.

From Science Daily • Oct. 12, 2025

Various forms of evidence suggest that the biosphere was more productive during the Miocene compared to now, and that at higher latitudes, this effect was more pronounced.

From Salon • Feb. 17, 2025

In contrast, land habitats make up less than 1 percent of the planet’s biosphere because the band of life is so narrow, making its volume quite small.

From New York Times • May 30, 2024

One of them even featured two monkeys in a self-contained biosphere complete with oxygen-generating plants and a food-pellet delivery mechanism.

From "October Sky" by Homer Hickam