We know that adding greenhouse gases to the atmosphere
raises planetary temperatures.
Adding greenhouse gases to the atmosphere will
raise planetary temperatures just as surely as adding salt to water will raise the boiling point of the water.
An El Nino
raises planetary temperature, but that very process also raises the outgoing radiation, cooling the surface a bit.
But some stays in the atmosphere to
raise planetary temperatures to increasingly alarming levels − with carbon dioxide ratios having tipped 400 parts per million, and global average temperatures on average having already risen by 1 °C.
Not exact matches
Scientists have calculated that, were the world ever to burn all its fossil fuels, thus increasing levels of atmospheric carbon dioxide and stoking up
planetary temperatures, that would be enough to melt the entire Antarctic continent and
raise sea levels by 60 metres.