claim: if we halved today’s atmospheric carbon dioxide content, all life would die.
evidences.evidence_id: Atmosphere of Earth:2
evidences.article: Atmosphere of Earth
evidences.evidence: By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.
evidences.votes: NOT_ENOUGH_INFO REFUTES NOT_ENOUGH_INFO
evidences.evidence_id: Carbon dioxide:177
evidences.article: Carbon dioxide
evidences.evidence: Carbon dioxide in Earth's atmosphere is a trace gas, currently (mid 2018) having a global average concentration of 409 parts per million by volume (or 622 parts per million by mass).
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Earth:74
evidences.article: Earth
evidences.evidence: Earth's increasing surface temperature will accelerate the inorganic carbon cycle, reducing CO 2 concentration to levels lethally low for plants (10 ppm for C4 photosynthesis) in approximately 100–900 million years.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Earth:75
evidences.article: Earth
evidences.evidence: The lack of vegetation will result in the loss of oxygen in the atmosphere, making animal life impossible.
evidences.votes: NOT_ENOUGH_INFO SUPPORTS NOT_ENOUGH_INFO
evidences.evidence_id: Eocene:22
evidences.article: Eocene
evidences.evidence: For contrast, today the carbon dioxide levels are at 400 ppm or 0.04%.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO NOT_ENOUGH_INFO