blue-green

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.

Suspecting an environmental link, the scientists and officials considered various possible culprits, from a rare moose-borne parasite to blue-green algae blooms to Agent Orange sprayed on the province in the 1970s.

From BBC • Jan. 10, 2026

Last year, scientists in the country announced they had launched successful trials spraying the soil with cyanobacteria, also known as "blue-green algae" -- a method that helps retain moisture and facilitate tree rooting.

From Barron's • Dec. 18, 2025

Standing on two legs, the blue-green robot has claw-like grippers rather than hands and can lift up to 35 pounds.

From Los Angeles Times • Dec. 17, 2025

During the warm months, Lake Erie becomes an ideal setting for cyanobacteria, also known as blue-green algae, to grow rapidly.

From Science Daily • Dec. 2, 2025

But life did not evolve much beyond blue-green algae for three billion years, which suggests that large lifeforms with specialized organs are hard to evolve, harder even than the origin of life.

From "Cosmos" by Carl Sagan