CO2 concentrations

Higher sea rises caused by past emission levels

Past greenhouse gas concentrations, similar to present levels of about 400 parts per million, were also linked to sea levels rising at least nine metres higher than current levels over the past 40 million years

Jan 06, 2013, 12:37 PM IST

Link between CO2 concentrations, sea level discovered

Researchers have found that greenhouse gas concentrations similar to the present are systematically associated with sea levels at least nine metres above current levels.

Jan 03, 2013, 15:53 PM IST