Contains more than 750 articles that explore major topics related to global warming and climate change--ranging geographically from the North Pole to the South Pole, and thematically from social effects to scientific causes...

An interdisciplinary, online, wiki-based encyclopedia "about the Earth, its natural environments, and their interaction with society...

"Encompassing tsunamis, elephant conservation, ocean pollution, mining regulation, and permafrost melt, the 300 authoritative articles in this unique and wide-ranging encyclopedia investigate all types of phenomena that change life on Earth...

Online encyclopedia covering many areas in the sciences: chemistry, computer science, earth science, environmental science, forensic science, mathematics, physics, space and astronomy, and weather and climate...