Original sentence: According to the IPCC, the current best answer is, roughly, most of the warming observed over the last 50 years is attributable to human activities.Scientists Willie Soon and Richard Lindzen say that there is insufficient proof of the recent attribution as yet.Some examples of published and informal support for the IPCC view:.Some examples of scientists who have spoken or published against the IPCC viewpoint:
Edited sentence: Scientists Willie Soon and Richard Lindzen say that there is insufficient proof of the recent attribution as yet - though they have not written papers showing this.Some examples of published and informal support for the consensus view:.Some examples of scientists who have spoken or published against the consensus viewpoint:.The current best answer is, roughly, most of the warming observed over the last 50 years is attributable to human activities