Cloud formation may be linked to cosmic rays
Experiment probes connection between climate change and radiation bombarding the atmosphere.
Headline #2 (from Forbes)
Sorry, But With Global Warming It's The Sun, Stupid
The lead author of the research referenced in both articles is quoted in Nature about the implications of the research for global warming: "At the moment, it actually says nothing about a possible cosmic-ray effect on clouds and climate, but it's a very important first step."