World military spending rose only 1.3 percent in 2010 to $1.63 trillion, after average annual growth of 5.1 percent between 2001 and 2009.
A list of key events since a massive 9.0-magnitude earthquake and a 10-meter tsunami devastated northeastern
Explosion and meltdown fears at Japan's quake-hit Fukushima nuclear plant renewed debate about the safety of atomic energy Sunday and cast doubt over its future as a clean energy source.
Climate change is rapidly transforming the Arctic and the U.S. Navy is falling behind as international powers jockey for power over vast oil resources.
The H1N1 swine flu that swept the globe in 2009/10 could easily morph into a more transmissible form, while an older, mid-20th century virus could also come roaring back, scientists warn.
