Gaia hypothesis
[af] Gaia-hipotese
[ar] فرضية غايا
[az] Geya hipotezi
[bn] গাইয়া অনুসিদ্ধান্ত
[ca] Hipòtesi Gaia
[cs] Teorie Gaia
[da] Gaia-hypotese
[de] Gaia-Hypothese
[el] Θεωρία της Γαίας
[eo] Gaja hipotezo