That is to say, when we burn coal, oil, and natural gas for energy, tremendous amounts of stored carbon dioxide are released into the air.
(That; is; to say) (we; burn; coal, oil, and natural gas for energy) (tremendous amounts of stored carbon dioxide; are released; into the air; T:when we burn coal, oil, and natural gas for energy)
That we tremendous amounts of stored carbon dioxide
is burn are released
to say
coal, oil, and natural gas for energy
into the air T:when we burn coal, oil, and natural gas for energy