If climate sceptics are right, it is time to worry. Serious scientists worry that feedback effects could - beyond some unknown “tipping point” - cause runaway warming with unforeseeable outcomes that would look like bad science fiction from today’s perspective. The continuing scientific uncertainty should make us more concerned, not less. [News Source]

If climate sceptics are right, it is time to worry. The continuing scientific uncertainty about the pace of climate change should make us more concerned, not less. [News Source]