conservationist

stewardship

Responsible care of entrusted things

• guardianProtective caretaker of another
• custodianGuardian of a place
• safeguardPrecaution against harm

warden · ranger · defender · sanctuary · reserve · refuge · trust · easement · covenant · buffer zone

endangered species

Organisms facing extinction risk

• threatenedExpressed intent to harm
• extinctionComplete vanishing of a species
• poachingUnlawful wildlife capture

reintroduction · captive breeding · rehabilitation · tagging · tracking · migration · ivory trade · bushmeat · CITES · wildlife trafficking

reforestation

Replanting depleted woodlands

• afforestationIntroducing woods to treeless land
• rewildingRestoring natural ecosystems
• habitat restorationReviving degraded natural environments

remediation · reclamation · revegetation · tree planting · seed bank · native planting · erosion control · stream restoration · prescribed burn · carbon sequestration

ecosystem

Interconnected organisms and surroundings

• biodiversityRange of life forms
• habitatOrganism's natural environment
• biomeMajor ecological community

keystone species · food chain · trophic · niche · flora · fauna · native species · invasive species · ecological balance · carrying capacity

advocate

Public cause supporter

• campaignerOne who advocates publicly
• activistVigorous cause champion
• lobbyistPaid legislative influencer

crusader · reformer · grassroots · petition · rally · awareness · outreach · education · policy · legislation

renewable

Capable of restoration

• sustainableAble to endure long-term
• carbon-neutralNet-zero emissions state
• eco-friendlyNot harming the environment

green · organic · permaculture · agroforestry · sustainable harvest · low-impact · responsible tourism · ecotourism · fair trade · certification

ocean

Massive saltwater body

• coralMarine skeletal formation
• reefUnderwater rock or coral formation
• fisheriesFish-harvesting operations

overfishing · marine sanctuary · whale · dolphin · sea turtle · shark finning · bycatch · marine debris · ocean acidification · Jacques Cousteau

• environmental scientistsecologist, environmental scientist, climate scientist, marine biologist, wildlife biologist
• Environmentalistsenvironmentalist, eco-warrior, eco warrior, tree hugger, water protector
• naturalistsCharles Darwin, naturalist, field researcher, botanist, Carl Linnaeus
• environmentalismecology, conservationism, recycling bins, campaigner, environmentalism
• green careersecologist, environmental scientist, wildlife biologist, marine biologist, forester
• forestry jobsforester, lumberjack, logger, faller, fallers