Decarbonization or Climate Neutrality? Which is the Better Path to 2°C? Is There Even a Difference?

http://buildingindustry.org/one-million-tonnes-of-co2

In order to keep global temperatures under 2°C, the threshold generally accepted as the best way to avoid the most catastrophic impacts of climate change, there must be a limit on cumulative CO2 emissions. For those of you not tracking mitigation negotiations closely at COP21, there is some hot debating surrounding long-term signals maintaining this threshold….
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