Climate Central: With 175 flourishes of pens, diplomats and leaders representing more than half the world's countries on Friday gave a global effort to slow climate change a ceremonial nudge forward.
The signing in New York of the Paris Agreement, the United Nations climate treaty finalized during high-profile negotiations in France in December, was a symbolic overture to years of hard work that still lie ahead.
"The time has come to turn aspirations into concrete actions,' Joseph Kabila, president of the Democratic...