The phrase "a former environment" is correct and usable in written English.
It can be used to refer to a previous setting or context in which something occurred or existed.
Example: "After years of working in a former environment that stifled creativity, she was excited to join a company that encouraged innovation."
Alternatives: "a previous setting" or "an earlier context".
Traffic congestion makes the average commute in Lima over an hour each way and costs more than $1 billion a year in lost output and health problems caused by pollution, according to Antonio Brack, a former environment minister.The city needs a debate about whether to favour bus rapid-transit systems, or more expensive but faster and higher-capacity metro lines.
Michael Meacher is a former environment minister, not a former environment secretary as we originally said in the article below.
Owen Paterson, a former environment secretary, said he believed Leadsom could have won.
The most popular of all is Marina Silva, a former environment minister and Mr Campos's probable running mate.
A former environment minister, he belongs to the reformist "Seeheimer Circle" and is a better speaker than listener.
Paterson, a former environment secretary, said it was a sign the remain campaign had "reached panic stations".
Paterson, a former environment secretary, called on the prime minister to allow ministers to join the no campaign.
Last year, after five years in opposition under Ed Miliband, a former environment minister, Labour lost again.
As a former environment secretary, Ed Miliband will know how easily debates about climate change become polarised.
The Australian Conservation Foundation said Turnbull, as a former environment minister, should understand the depth of Australia's environmental challenges.
Gerard Kennedy, a former minister in that province, and Stéphane Dion, a former environment minister (with a dog named Kyoto), are close behind.
