Trips for nature lovers

• Trips to wildlife areas, say
• Trips to the Galápagos, e.g
• Trips through rain forests, maybe
• Trips where a "carry in, carry out" policy may be observed
• Bed for us at rear of office, conserving holidays
• Environmentalists' excursions
• Trips to support conservation
• Nature excursions

Wiktionary Word definitions in Wiktionary
n. (plural of ecotour English)