Composition of Earth's atmosphere by volume. The lower pie represents the trace gases that together compose about 0.038% of the atmosphere (0.043% with CO2 at 2014 concentration). The numbers are from a variety of years (mainly 1987, with CO2 and methane from 2009) and do not represent any single source.
User: How long did Thoreau live in the woods at Walden Pond? User: How long did Thoreau live in the woods at Walden Pond? Weegy: Thoreau lived in the woods at Walden Pond for two years, two months, and two days.
Thoreau was born in 1817 in Concord, Massachusetts. Though his family moved the following year, they returned in 1823. Even when he grew ambivalent about the village after reaching manhood, it remained his world, for he never grew ambivalent about its lovely setting of woodlands, streams, and meadows.