Historical clue formulations

• Lead-in to "lab" in the name of an S&P 500 company — 2026-09-18
• Prefix with friendly or warrior — 2026-09-14
• Prefix with label — 2026-05-07
• Environmentally friendly: Prefix — 2026-04-01
• Sustainability prefix — 2026-01-28
• ___-anxiety (fear of harm to the environment caused by human activity) — 2026-01-12
• Sustainable start? — 2025-12-11
• Modern prefix with village — 2025-12-10
• Prefix with conscious — 2025-12-02
• Prefix with friendly — 2025-12-01
• ___-warrior — 2025-11-10
• ___-chic (sustainable fashion) — 2025-11-05
• "Green" prefix — 2025-10-27
• Prefix with sphere — 2025-10-19
• Prefix with car or hotel — 2025-05-30
• ___ mode (fuel efficiency option in some cars) — 2025-05-07
• Prefix with tourism — 2025-04-30
• ___-conscious — 2025-02-17
• Environmentally friendly prefix — 2025-01-29
• Modern prefix with anxiety — 2025-01-26
• Prefix with system — 2024-10-24
• "Green" prefix — 2024-10-21
• ___-warrior (certain activist) — 2024-09-24
• "Green" — 2024-08-15
• Green prefix — 2024-05-27
• ___-friendly — 2024-05-07
• ___ mode, setting in many modern cars — 2024-05-04
• Prefix suggesting conservation — 2024-04-23
• Earth-friendly prefix — 2024-03-18
• Power-saving mode — 2024-03-16
• ___-conscious — 2024-02-18
• Lead-in to -cide — 2024-02-01
• Writer Umberto — 2024-01-10
• Prefix with conscious — 2024-01-08
• ___-warrior (environmentalist) — 2024-01-04
• ___-friendly — 2024-01-02
• Prefix with -cide — 2023-11-09
• Lead-in to sphere or system — 2023-11-05
• Prefix with system — 2023-09-19
• "Green" — 2023-08-20
• ___ Style gel — 2023-08-17
• Green beginning — 2023-07-23
• Prefix with tourism — 2023-07-16
• Green: Prefix — 2023-06-20
• Green: Prefix — 2023-05-16
• Lead-in to toxicology — 2023-04-15
• Intro to -logical — 2023-03-29
• Prefix for the green-minded — 2023-03-08
• Good prefix for Earth Day — 2023-03-06
• Prefix with system — 2023-01-30