"For a century, doctors have waged war against bacteria, using antibiotics as their weapons. But that relationship is changing as scientists become more familiar with the 100 trillion microbes that call us home — collectively known as the microbiome."

"Death toll of campaigners involved in protection of forests, rivers and land has almost doubled in three years"

"High-profile support for #endfossilfuelsubsidies campaign helps it to top trending topic in US and second place globally"

"Brazilian negotiators have been accused of using strong-arm tactics at Rio+20 to secure a deal before heads of state start arriving for the Earth Summit later this week."

"TOKYO -- Japan on Saturday approved the resumption of nuclear power operations at two reactors despite mass public opposition, the first to come back on line after they were all shut down following the Fukushima crisis."

"Negotiators from developing countries insist wealthy nations must help fund their move to sustainable development"

"This week the extent of Arctic sea ice dipped below the extent for 2007, according to the National Snow and Ice Data Center (NSIDC). As you may remember, the 2007 season holds the record for lowest Arctic sea-ice extent in recorded history."

"TOKYO — Japan is on the verge of returning to atomic power after a local mayor on Thursday gave his approval to restart a pair of reactors, idled in the wake of last year's nuclear accident.

The nuclear restart could come as soon as this weekend, Japanese media reported. It would mark a controversial victory for the central government, which has spent months arguing that Japan needs nuclear power to sustain its fragile economy.

"After five years of toil, a consortium of several hundred U.S. researchers has released a detailed census of the myriad bacteria, yeasts, viruses and amoebas that live, eat, excrete, reproduce and die in or on us."

"Described in two papers in Nature and a raft of reports in other journals, the data released Wednesday describe microbes of the skin, saliva, nostrils, guts and other areas of 242 adults in tiptop health.

"RIO de JANEIRO -- President Dilma Rousseff today opened Rio +20, the UN Conference on Sustainable Development, at Brazil's giant pavilion in Athletes Park opposite Riocentro, the main seat of the conference meetings."