The CO2 concentrations in the atmosphere are rising as we speak. The maximum possible value to avoid catastrophic climate change is 350ppm. We're already beyond the limit. Stop Talking About It, Do Something!
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canard
An unfounded story.
Horizontal stabilizers on aircraft that are situated foreward of the main wings.
An aircraft having such features.
The boy's canard involved him flying a canard, without canards!
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