No long-distance risks from mega-quakes: study

Monster earthquakes like the 9.0-magnitude event that occurred off Japan on March 11 are unlikely to trigger a large quake in distant regions of the world, according to a study published on Sunday.

Lights off as 'Earth Hour' circles the globe

Lights went off around the world as landmark buildings and ordinary homes flipped their switches while the annual "Earth Hour" circled the planet in what was dubbed the world's largest voluntary action for the environment.

Russia and Israel sign space agreement

Russia and Israel on Sunday signed an agreement on cooperation on space technology and space exploration, the Russian space agency said in a statement.

More than 200,000 Germans march against nuclear power

An estimated 200,000 people took to the streets around Germany Saturday to protest against nuclear power, upping the pressure on Chancellor Angela Merkel on the eve of a critical state election.

Five countries sign for 'European Amazon' reserve

Five central European countries signed an accord to launch a cross-border nature reserve in an area known as Europe's Amazon at a meeting of environmental ministers that ended Saturday.

India's tiger population 'on the rise'

India's tiger population has increased for the first time in decades, a newspaper said on Saturday, citing a national tiger census report slated to be released next week.

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