Global warming is the ongoing rise of the average temperature of the Earth's climate system and has been demonstrated by direct temperature measurements and by measurements of various effects of the warming,Global Warming is the increase of Earth's average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation. The impacts of Global Warming are Rising Seas, Changes in rainfall, Increased likelihood of extreme events, Melting of the ice caps, Melting glaciers, Widespread vanishing of animal, Bleaching of Coral Reefs due to warming seas, acidification due to carbonic acid formation, Loss of Plankton due to warming seas. The top open access journals are peer reviewed scholarly journals of global warming. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community.