Scientific organization statement (Joint science academies’ statement 2005) from the G8 nations.
"It is likely that most of the warming in recent decades can be attributed to human activities (IPCC 2001). This warming has already led to changes in the Earth's climate."
"The scientific understanding of climate change is now
sufficiently clear to justify nations taking prompt action. It
is vital that all nations identify cost-effective steps that they
can take now, to contribute to substantial and long-term
reduction in net global greenhouse gas emissions."
Signatories...
Academia Brasiliera de Ciências, Brazil
Chinese Academy of Sciences, China
Royal Society of Canada, Canada
Académie des Sciences, France
Deutsche Akademie der Naturforscher, Leopoldina, Germany
Indian National Science Academy, India
Accademia Nazionale dei Lincei,Italy
Science Council of Japan, Japan
Russian Academy of Sciences, Russia
National Academy of Sciences, USA
Royal Society, UK
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