Approximately 80 % of our air pollution stems from hydrocarbons released by vegetation, so let's not go overboard in setting and enforcing tough emission standards from man-made sources.
— Ronald Reagan

When you have energy companies like Shell and British Petroleum, both of which are perhaps represented in this room, saying there is a problem with excess carbon dioxide emission, I think we ought to listen.
James Baker emissions quote

In my view the structure of the whole atom was that of an individual, with all its parts interconnected, and the emission of a spectral line appeared to me to be the result of the coherence and co-operation of several electric quanta.
— Johannes Stark

Undoubtedly, at the moment, the major cause of CO2 emission is what happens in developed countries.
— Chris Patten

In the tail above the giant resonance, you can get not just one neutron emitted but two, three, four or five, and so there are a lot of things one can measure, looking at the competition with the emission of neutrons and protons and so on.
— emissions quotation by John Henry Carver