Cosmic rays. Image courtesy of NASA.? µ??a??sµ?? t?? ???µat?? e??a? ?d?a?te?a p???p?????. ? ep?st?µ????? ?????t?ta ??e? ?ata???e? µe ?s????? e?de??e?? ?t? ? ???µat??? a??a?? p?? ???µe t??a ?fe??eta? st?? ?????p? µe p??a??t?ta 90%(IPCC report,2007) . ?e ???a ????a ?? a e?p?µp?? ae???? t?? e??a? ? ?????? ?pa?t??? ??a t? fa???µe?? p?? ???µ??eta? pa???sµ?a te?e?ta?? ?a??? ???eta? ????? ??a t?? ??sµ???? a?t??e? ?a? t?? p??a?? t??? ???? st?? ???µat???? a??a???. ?a st???e?a ?a? ?? ??e??e? ?µ?? ????....
Planet Earth in danger
