Delegates from nearly 200 countries met for two weeks in Nagoya, Japan, in late October 2010 to work out a set of targets that aim to slow biodiversity loss.
NASA glaciologist Jay Zwally talked to EarthSky about melting in a large glacier at the western edge of Greenland. Read more on Greenland's melting glaciers.
Scientists say high ocean temperatures in 2010 caused coral bleaching around the world – especially in the central Pacific, Indian Ocean and Caribbean.
Antarctica is the only one of Earth's major continents that hasn't shown a consistent and clear picture of warming in recent years. One reason might be that data from Antarctica is sparse.