The philosophical inquiry into the relationship between beauty and nature primarily focuses on the subjective experience of beauty in nature, exploring how individuals perceive and appreciate the aesthetic qualities of the natural world.

Edmund Burke, in his influential work 'A Philosophical Enquiry into the Origin of Our Ideas of the Sublime and Beautiful', argued that variety and diversity are the primary sources of beauty in nature, as they provide a sense of novelty and surprise that engages our senses and emotions.

The concept of 'biophilia', introduced by Edward O. Wilson, suggests that humans have an innate affinity for nature and natural elements, and that this connection is essential for our physical and psychological well-being.

Transcendentalism, a philosophical and literary movement of the 19th century, emphasized the importance of experiencing beauty in nature as a means of achieving spiritual enlightenment and a deeper understanding of the universe.

Aesthetic ecology is a field of study that explores the aesthetic qualities of natural ecosystems, examining how the beauty and harmony of nature can contribute to our understanding and appreciation of the environment.

Immanuel Kant, in his influential work 'Critique of Judgment', argued that the primary characteristic of beauty in nature is its apparent purposefulness and design, which suggests the existence of a higher order or intelligence.

Ecofeminism is a philosophical and political movement that emphasizes the interconnectedness of women and nature, exploring the ways in which the oppression of women and the degradation of the environment are mutually reinforcing.

Environmental ethics is a branch of philosophy that explores the moral relationships between humans and the natural environment, including the importance of preserving the beauty of nature for future generations.

Landscape aesthetics is a field of study that focuses on the aesthetic qualities of natural landscapes, examining how the beauty and harmony of these environments can contribute to our understanding and appreciation of the natural world.

John Ruskin, a prominent art critic and social reformer, argued that the primary source of beauty in nature is its vitality and energy, which he believed were manifested in the intricate patterns and dynamic processes of the natural world.

The concept of 'nature as art' suggests that nature can be appreciated and enjoyed as a form of art, with its own unique aesthetic qualities and expressive power.

Romanticism, a philosophical and literary movement of the 19th century, emphasized the importance of experiencing beauty in nature as a means of achieving self-realization and a deeper understanding of the human condition.

Environmental aesthetics is a field of study that focuses on the aesthetic qualities of the natural environment, examining how the beauty and harmony of these environments can contribute to our understanding and appreciation of the natural world.

Arthur Schopenhauer, a German philosopher, argued that the primary source of beauty in nature is the manifestation of the will-to-live, which is the fundamental driving force behind all existence.

Ecocentric aesthetics is a philosophical perspective that emphasizes the intrinsic aesthetic value of nature, independent of human perception and preferences, and argues that the beauty of nature should be appreciated and enjoyed for its own sake.