This type of warming is still a much smaller effect than the global warming caused by greenhouse gas emissions. (livescience.com)
Not to «anthropogenic climate change caused by greenhouse gas emissions» — which is only one factor among many, known and unknown, in anthropogenic climate change. (realclimate.org)
More than 90 percent of the excess heat trapped by greenhouse gas emissions has been absorbed into the oceans that cover two - thirds of the planet's surface. (insideclimatenews.org)