The latter are difficult to distinguish from a noisy background climate. (ipcc.ch)
It examines the evidence (climate change research) and decides whether or not human - produced carbon dioxide emissions are interfering in a dangerous way with normal background climate. (nofrakkingconsensus.com)
In response to this evolving consensus, lots of folks in the climate hawk coalition (broadly speaking) have counseled a new approach that backgrounds climate change and refocuses the discussion on innovation, energy security, and economic competitiveness. (grist.org)