Definition of ecological | Bee Dictionary of English

a characterized by the interdependence of living organisms in an environment
an ecological disaster
a of or relating to the science of ecology
ecological research

Faced with the cold war's disastrous ecological legacy, he saw that the Soviet Union had to change its ways.
As developer Michael Corbett strolls around the gardens of Village Homes, his pioneering experiment in ecological living in Davis, Calif.
From lead in the soil to toxins in the water and radioactive fallout in the air, The Blacksmith Institute has created a list of the world's worst ecological disaster areas.

Art Culture United in Urban Warehouse Event: The World Beyond
Culture Jam, a Melbourne based all-inclusive arts project, has launched a series of post-apocalypse themed art and music events, starting with the incredibly successful World Beyond warehouse event. The series raises questions about our society and technology, particularly in regards to surveillance and the future ecological and economic sustainability of our planet. (PRWeb June 23, 2013) Read ...
June 23, 2013 - PRWeb
Tawny Crazy Ants Invade Southern States
Tawny crazy ants are invading ecosystems and homes in states including Texas and Florida, wiping out other ant species and overwhelming homeowners. Weekend Edition Saturday host Scott Simon talks to Texas A&M research scientist Robert Puckett, who says the ants are "ecological steamrollers" that reproduce so fast they are nearly impossible to get rid of.
June 22, 2013 - NPR
ASU Professor Named Ecological Society of America Fellow
The Ecological Society of America has named Osvaldo Sala, an Arizona State University professor of life sciences and sustainability, as a 2013 Fellow. Sala is also a Distinguished Sustainability Scientist in ASU's Global Institute of Sustainability, where he researches human-environment interactions. He is an expert in biodiversity scenarios and his work appears in more than 180 peer-reviewed ...
June 19, 2013 - Newswise

Pope Benedict XVI in Newsweek
Benedict said that politicians and experts must be "capable of responding to the great ecological challenge and to be up to the task of this challenge."
Ralph Becker in Baltimore Sun
We are working tirelessly with Chevron teams to contain this spill from the critical ecological areas affected in our City,said Mayor Ralph Becker. "Our fire teams have capped the site and will work to determine the damage and best course...
Ban Ki-moon in The Economist
Ban Ki-moon, the UN secretary-general, described it as "an ecological crisis, arising at least in part from climate change".