According to the WMO, current atmospheric concentrations of CO2 haven't been this high in 800,000 years.
Read more...Prime Minister Tony Abbott called the connection "hogwash."
Read more...Brace yourself. Drastic climate changes are coming much faster than you think.
Read more...Why have thousands of walrus abandoned their homes to come to Alaska?
Read more...Scientists are 95 percent positive - more sure than ever - climate change is our fault.
Read more...The debate is over. Climate change is real.
Read more...The former governor and a panel of experts expressed concerns over the southwest's climate change.
Read more...Portman’s conversion allows members of both parties to consider other perspectives.
Read more...More than four dozen were arrested Wednesday.
Read more...The threat of global warming calls for discussion of bigger solutions.
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