an advertisement by an oil company in Life magazine, 1962:
"EACH DAY HUMBLE SUPPLIES ENOUGH ENERGY TO MELT 7 MILLION TONS OF GLACIER!
"This giant glacier has remained unmelted for centuries. Yet, the
petroleum energy Humble supplies- if converted into heat- could melt it
at the rate of 80 tons each second! To meet the nation's growing needs
for energy, Humble has applied science to nature's resources to become
America's Leading Energy Company. Working wonders with oil through
research, Humble provides energy in many forms- to help heat our homes,
power our transportation, and to furnish industry with a great variety
of versatile chemicals. Stop at a Humble station for new Enco Extra
gasoline, and see why the "Happy Motoring" sign is the World's First
Choice!"
One of speakers at a scientific meeting in Prague (IUGG-2015) mentioned this example for giving a current shocking estimate:
today humanity melts about 650M tons of ice every single day by emitting greenhouse gases...