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...parlance of the U.S. Army, a hand-grenade explosion is a "significant act." So are small arms fire, improvised explosive device detonation and car bombs. The daily number of "sig acts," as the soldiers call them, is sometimes used as a metric to measure progress or regression in the counter-insurgency effort in Iraq. The definition of a sig act, however, is not fixed. According to some soldiers, some sig acts today (those without fatalities, say) never would have been considered as such a year or two ago. And the value of the metric is a matter of contention, even...
...ship was about a ton. Once that mass is broken up into smaller pieces, the atmosphere ought to do a pretty good job of incinerating it. Skylab did shower the Australian outback with wreckage during its reentry in the summer of 1979, but it weighed a whale-like 91 metric tons; Columbia weighed...
...showing. USCAP's recommendations have recently come under attack from a number of outside environmental groups, and the National Wildlife Federation even dropped out of the alliance rather than endorse the blueprint. The problem is that USCAP would allow industry to pay for offsets of around 2 billion metric tons of CO2 a year, to ensure that business has plenty of time to make the transition to a low-carbon economy. (Offsets are projects in which companies pay to reduce carbon emissions more cheaply elsewhere, often by funding energy efficiency programs or through forestry, rather than cutting their own emissions...
Small, impoverished Bolivia, in fact, is the Saudi Arabia of lithium. It's home to 73 million metric tons of lithium carbonate, more than half the world's supply. The largest single deposit is the Salar de Uyuni, a vast, 4,085-square-mile (6,575-sq-km) salt desert in the southern Potosi region that is also one of Bolivia's biggest tourist attractions...
...state-run lithium industry from mining to industrialization, which might even include actual manufacturing of the coveted lithium-ion batteries. Morales recently announced a $5.7 million pilot plant to process raw lithium carbonate, now under construction on the edge of the Salar, which hopes to produce its first 40 metric tons of the material by the end of this year...