Could we ever pull enough carbon out of the atmosphere to stop climate change? – Livescience.com

Nature has equipped Earth with several giant “sponges,” or carbon sinks, that can help humans battle climate change. These natural sponges, as well as human-made ones, can sop up carbon, effectively removing it from the atmosphere. 
But what does this sci-fi-like act really entail? And how much will it actually take and cost to make a difference and slow climate change
? 
Sabine Fuss has been looking for these answers for the last two years. An economist in Berlin, Fuss leads a research group at…

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