What does the exposure of otzi the Iceman have to say about the present climate versus that of the 5,000 year?

The iceman and his site reveal that between 9,000 and 5,000 years before present the Alpine glaciers were smaller than in the second half of the Holocene (the last 10,000 years of geological history).

Explanation:

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.