Just How Sensitive Is Earth's Climate to Atmospheric Carbon Dioxide?: Scientific American: "Carbon dioxide levels climbing toward a doubling of the 280 parts per million (ppm) concentration found in the preindustrial atmosphere pose the question: What impact will this increased greenhouse gas load have on the climate? If relatively small changes in CO2 levels have big effects—meaning that we live in a more sensitive climate system—the planet could warm by as much as 6 degrees Celsius on average with attendant results such as changed weather patterns and sea-level rise. A less sensitive climate system would mean average warming of less than 2 degrees C and, therefore, fewer ramifications from global warming."
Video: Israeli soldiers fire tear gas at 6-year-old children on their way to school The new school year started four days ago in the occupied West Bank, and Israeli soldiers have fired tear gas and hurled stun grenades at Palestinian elementary school students on at least two occasions already. In the Nablus -area village of Burin , which is surrounded by illegal Jewish-only Israeli settlements , Israeli forces stormed an elementary school Wednesday, firing tear gas and stun grenades at students after a settler’s vehicle traveling nearby the school was allegedly hit with a rock thrown by a Palestinian youth. Many children were treated at the scene for tear-gas inhalation, reported Ma’an News Agency . One day earlier, Israeli forces in Hebron fired up to 15 tear gas canisters and five stun grenades at small children as they made their way to school Tuesday morning. Video of the attack — recorded and posted to YouTube by the International Solidarity Movement (ISM)...
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