Seven states or provinces spew more than 1 billion metric tons of greenhouse gases
Experts say plan ‘too blunt an instrument to address risks effectively’
A World Bank report says projected sea rise could submerge many small islands
Pakistan and neighboring Afghanistan are the only two polio-endemic nations, reporting 49 and 23 cases respectively, so far this year
Experts say recent developments in China and the United States are likely to slightly worsen the outlook
The undersea mass in the Pacific Ocean is so big it can be seen from space
Authorities in Sierra Leone have launched an Ebola vaccination campaign targeting at least 5,000 health workers. Many health workers caught the Ebola virus during the outbreak that hit West Africa a decade ago. Victoria Amunga reports from Kenema, Sierra Leone. Camera: Jimmy Makhulo.
There were about 97,000 overdose deaths in the 12-month period that ended June 30, according to provisional Centers for Disease Control and Prevention data
A recently contained outbreak in the country had killed more than 700 people over an 18-month period
Uncertain about access to birth control and abortions in the coming years, may many women are stockpiling the pills in case they need them
The Greek prime minister said Europe and the world needs to be 'more honest' about the trade-offs needed to keep global temperatures down
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