In an era of mass extinctions, there are reasons for hope. During the last half-century, human interventions have helped species thought forever lost or diminished overcome threats from habitat loss and disease to bounty hunting and pollution.
Lange, Karen E.
"On the Way Back,"
Serial - All Animals 2009-15: Vol. 15
, Article 6.
Available at: https://www.wellbeingintlstudiesrepository.org/allanimals/vol15/iss6/6