Examines the science and arguments of global warming skepticism common objections like global warming is caused by the sun temperature has changed naturally in the past or other planets are warming too are examined to see what the science really says. An explanation of how we know that humans are the major cause of global warming about human caused global average of human contribution to . Anthropogenic emissions contribute substantially to global warming here you will find scientific evidence supporting that statement. Understanding the human contribution to global warming posted on march 8 2018 by tonyheller antarctic ice cores show regular swings in temperature of more than 20 . The percentage contribution to global warming over the past 50 65 years in two categories human causes left and natural causes right from various peer reviewed studies
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