Word: fourfold
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...More than 80% of African soil is seriously degraded, and in many areas it is on the verge of permanent failure. For centuries, farmers survived by clearing new land for each season's plantings and allowing old fields to lie fallow and replenish their nutrients. But the continent's fourfold increase in population since the 1950s has forced farmers to grow crop after crop on the same fields, draining them of all nourishment. Do that for a long enough time, and the physical nature of the soil changes. It becomes so tightly compacted that it can't hold water...
...California, San Diego. The same pattern holds for substance abuse. According to a paper published in the Journal of Drug Issues earlier this year, younger siblings whose older sibs drink are twice as likely to pick up the habit too. When it comes to smoking, the risk increases fourfold...
...under such silent lands as these that the boundless riches lie, awaiting the power shovel and the drill. Energy developers first began arriving in droves in 1973, when OPEC hiked its prices fourfold and jolted the nation's oil and gas companies into searching for additional supplies. Jimmy Carter gave the developers a big assist in 1979 when he announced his intention to tap the region's energy supplies by setting up an Energy Mobilization Board to speed up the building of refineries, pipelines, coal mines and synthetic fuel plants. He also proposed an Energy Security Corporation to funnel public...
...dubbed the land of smiles on the cover of a recent issue of German newsweekly Der Spiegel. Some 85% of respondents in a poll for the magazine anticipated that 2006 would be a "good year." The number of Germans who feel their government can improve their lives has risen fourfold in the past six months, consumer confidence is at its highest in four years, and the business climate index - a measure of how optimistic businesses are about the future - last week reached its highest level since German reunification. The reason for all this good cheer? Columnists call it the Merkel...
...influence), and then cut off Moldova from this key power supplier, until Moldova met its terms. Transneft (Russia's state-owned oil pipe monopoly), blocked oil flowing from Kazakhstann to Lithuania, because Russia coveted Lithuania's oil refinery. The latest such case is abruptly raising natural gas prices fourfold for Ukraine...