A quiz for the idle unemployed.

Who said the following?

"There is no doubt in my mind that this is the greatest problem confronting mankind at this time and that it has reached the level of a state of emergency”

Dr ?

“[inserting global dimming sulphur into the stratosphere] would change the colour of the sky. It's the last resort that we have, it's the last barrier to a climate collapse. We need to be ready to start doing it in perhaps five years time if we fail to achieve what we're trying to achieve…The consequences of doing that are unknown …"

Professor ?

“We have far less time to minimize dangerous anthropogenic climate change than previously thought. Observations of the climate system indicate that the impacts of atmospheric warming are at the upper end of the range predicted by the IPCC. This puts us in an extremely precarious and urgent situation that compels immediate action”

Professor ?

[Current CO2 levels are 387 ppm] "...leading toward conditions which existed on Earth about 3 million years (Ma) ago (mid-Pliocene), when CO2 levels rose to about 400 ppm, temperatures to about 2–3 degrees C and sea levels by about 25 +/- 12 metres."

Dr ?

Surprisingly everyone who had known the people in the carbon lobby said that they were all polite, kind and intelligent.