Live Science: Could we ever pull enough carbon out of the atmosphere to stop climate change?
"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 the Mercator Research Institute on Global Commons and Climate Change and was part of the original Intergovernmental Panel on Climate Change (IPCC) — established by the United Nations to assess the science, risks and impacts of global warming."