This is the 11066th most frequent Turkish word.
doğaya
"To nature"
Here, 'doğaya' is the dative case of 'doğa' (nature), indicating direction or movement towards nature.
Biz hafta sonu doğaya yürüyüş yapmaya gideceğiz.
We will go hiking in nature this weekend.
In this sentence, 'doğaya' shows to what the respect is directed, using the dative case for the noun 'doğa'.
Doğaya saygı göstermek herkesin sorumluluğudur.
Respecting nature is everyone's responsibility.
Here, 'doğaya olan' connects 'ilgi' (interest) to 'doğa' indicating the interest is towards nature.