"On a cool December night in Paris, at an awards ceremony in the city’s 3rd arrondissement, Eduardo Paes, the mayor of Rio de Janeiro, took the stage to thunderous applause from an audience full of his fellow mayors from around the world. Paes’ voiced boomed as he stressed the importance of cities leading the fight against climate change ...."

"Australia's re-elected conservative government has announced a U-turn in its climate change policy, reinstating climate science as the bedrock of its peak science body [CSIRO] just months after slashing its funding and axing hundreds of jobs."

"U.S. federal agencies should disclose whether their actions and decisions will have an impact on climate change, the White House announced on Tuesday."

"Federal health authorities on Monday urged pregnant women not to visit a South Florida neighborhood where new cases of the Zika virus have emerged, the first time officials have warned against travel to part of the continental United States due to the outbreak of an infectious disease."

"The Zika epidemic that has spread from Brazil to the rest of Latin America is now raging in Puerto Rico — and the island’s response is in chaos."

"The cast has changed following Theresa May’s reshuffle, but the play remains the same. It’s a struggle pitching free-market red tape slashers against those backing a clean, green economy as the UK’s best long term bet. The big question is whether this performance will have a different ending."

President Barack Obama signed reforms to the Freedom of Information Act into law Thursday, just in time for the 50th birthday of the nation's landmark open government law on July Fourth. The bill capped years of work by ovocates in Washington.