Mr. Mercer was hardly the first to sound
an alarm about greenhouse gases: Scientists were well on their way by the late 1950s toward connecting mankind's burning of fossil fuels to Earth's changing climate.
Not exact matches
Raising the
alarm about climate change has been tried before, many times in fact, but it has not had an appreciable effect on
greenhouse gas emissions.
The recent IPCC report sounds an incrementally more strident
alarm about the dangers of increasing
greenhouse gases in the atmosphere.