The melting of sea ice, which changes the reflectivity of the planet, is an example of that.
1849, from reflective + -ity.
1620s, from reflect + -ive. Related: Reflectively; reflectiveness.
reflective re·flec·tive (rĭ-flěk'tĭv)adj.
Of, relating to, produced by, or resulting from reflection.
Capable of or producing reflection.
Characterized by or given to meditation or contemplation; thoughtful.