Word: risen
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...sunlight to stream in but prevent much of the heat from radiating back out. During the last ice age, the atmosphere's CO2 concentration was just 180 p.p.m., putting Earth into a deep freeze. After the glaciers retreated but before the dawn of the modern era, the total had risen to a comfortable 280 p.p.m. In just the past century and a half, we have pushed the level to 381 p.p.m., and we're feeling the effects. Of the 20 hottest years on record, 19 occurred in the 1980s or later. According to NASA scientists...
...Sweden do it? Probably. Back in 1970, before the first Middle East energy crisis, Sweden got 77% of its energy from oil. By 2003, even though industrial production had risen dramatically, that figure had dropped to 34%. Part of the country's impressive record comes courtesy of its abundant resources. "We have access to large amounts of hydropower," admits Sahlin, "large amounts of biomass and good conditions for increased use of wind power...
Tuition at Harvard has increased more slowly than costs at private four-year schools in general; according to the College Board, the overall tuition and fees at private four-year schools in the United States have risen at an average annual rate of 5.8 from...
...about asthma, and will change future therapies for asthma” Umetsu wrote in an e-mail. According to the World Health Organization, 180,000 people across the globe die from asthma each year, and between 100 million and 150 million people suffer from the disease. Asthma rates have risen rapidly in industrial nations over the past 20 years, adding increased urgency to improving treatment. “I see patients with asthma all the time in clinic,” says Umetsu. “For the patients with severe disease, it can be extremely frustrating. My hope...
...raising public funding to meet increased educational demand, or copy the U.S. model where universities rely heavily on private tuition. “The [European Union] universities are in crisis,” said Krupp Foundation professor of European studies, Peter A. Hall. He said that while enrollment has risen in many European universities, the increase in the student body has not been matched with higher funding. “French or German universities rely heavily on public funding as do all university systems in Europe, and that’s the problem—the general physical problem...