The study published in the journal Earth System Science Data found the rate of melting more than tripled from 105 billion tons a year during the first four years of the study to 372 billion tons a ...

"Study links Greenland ice sheet collapse, sea level rise 400,000 years ago." ScienceDaily. ScienceDaily, 25 June 2014. <www.sciencedaily.com / releases / 2014 / 06 / 140625131947.htm>.

At Earth's current level of around 390 parts per million, the environment is such that an ice sheet remains, but carbon dioxide levels and temperatures are increasing.

Earth science is highly relevant to the welfare of humanity, as it allows people to predict and prepare for natural disasters such as hurricanes and volcanic eruptions. It also helps people locate ...