A system for passive collection of atmospheric carbon dioxide, comprising: a harvest chamber comprising a first opening and a sorbent regeneration system; a capture body coupled to and movable by a support structure, the support structure having at least a first portion inside of the harvest chamber and a second portion outside of the harvest chamber, the capture body comprising a sorbent material and movable by the support structure to be in a collection configuration wherein at least a portion of the capture body able to capture carbon dioxide is in contact with a natural airflow outside the harvest chamber such that atmospheric carbon dioxide is captured by the sorbent material, and a release configuration wherein at least a portion of the capture body holding captured carbon dioxide is operated upon by the sorbent regeneration system inside the harvest chamber such that captured carbon dioxide is released into the harvest chamber to form an enriched gas; a product outlet in fluid communication with the inside of the harvest chamber and configured to receive a product stream of enriched gas displaced by a sweep gas inside the harvest chamber, the sweep gas introduced to the harvest chamber; and a control system communicatively coupled to the support structure, and configured to cycle the capture body between the collection configuration and the release configuration, wherein the support structure comprises a lid movable between an open position above and separated from the harvest chamber, and a closed position wherein the lid covers the first opening of the harvest chamber, the support structure further comprises a collapsible tether coupled to an interior of the harvest chamber and the lid, and wherein the capture body comprises a plurality of plates coupled to and spaced out along the collapsible tether such that the plurality of plates hangs from the lid by the tether when the capture body is in the collection configuration and the plurality of plates are enclosed within the harvest chamber when the capture body is in the release configuration, each plate comprising the sorbent material. a harvest chamber comprising a first opening and a sorbent regeneration system; a capture body coupled to and movable by a support structure, the support structure having at least a first portion inside of the harvest chamber and a second portion outside of the harvest chamber, the capture body comprising a sorbent material and movable by the support structure to be in a collection configuration wherein at least a portion of the capture body able to capture carbon dioxide is in contact with a natural airflow outside the harvest chamber such that atmospheric carbon dioxide is captured by the sorbent material, and a release configuration wherein at least a portion of the capture body holding captured carbon dioxide is operated upon by the sorbent regeneration system inside the harvest chamber such that captured carbon dioxide is released into the harvest chamber to form an enriched gas; a product outlet in fluid communication with the inside of the harvest chamber and configured to receive a product stream of enriched gas displaced by a sweep gas inside the harvest chamber, the sweep gas introduced to the harvest chamber; and a control system communicatively coupled to the support structure, and configured to cycle the capture body between the collection configuration and the release configuration, wherein the support structure comprises a lid movable between an open position above and separated from the harvest chamber, and a closed position wherein the lid covers the first opening of the harvest chamber, the support structure further comprises a collapsible tether coupled to an interior of the harvest chamber and the lid, and wherein the capture body comprises a plurality of plates coupled to and spaced out along the collapsible tether such that the plurality of plates hangs from the lid by the tether when the capture body is in the collection configuration and the plurality of plates are enclosed within the harvest chamber when the capture body is in the release configuration, each plate comprising the sorbent material.