the content varies to reflect each countrys circumstances but the profiles take a similar approach examining domestic and international climate policy determinants locating climate diplomacy within broader foreign policy and using these determinants to explain the basic cooperation since hosting the un conference on environment and development unced in rio de janeiro in at which the framework convention of climate change was originally signed brazil has remained an active and engaged partner in international climate change negotiations this trend has been reinforced in recent years most recently through former president luiz inacio da silvas interventions atc p in copenhagen