With major deadlines approaching on student loans and transportation legislation, the Senate blocked off four hours of floor debate time for something else. At issue is a resolution disapproving of new EPA regulations limiting mercury emissions from power plants.
Geologists have noticed an increase in the number of small earthquakes in the U.S. They suspect the cause to be wastewater wells, where polluted water from industrial processes is pumped deep underground. None of the quakes has caused serious damage.
The company has spent $4 billion since 2007 on preparations to explore for oil off the north coast of Alaska. Many Alaskans welcome the venture, which could lead to the development of trillions of dollars worth of oil. But not everyone's convinced Shell has all the environmental protections in place to protect areas of the pristine Arctic.
U.N. Secretary-General Ban Ki-moon wants to kick-start a big initiative to double the share of renewable energy worldwide, make sure everyone on the planet has power, and cut in half the amount of wasted energy. But critics say the agenda in Rio is so bloated that it's unclear what can be accomplished.
The federal government promised almost 30 years ago to find a place to bury nuclear waste from power plants. It hasn't. So 70,000 tons of waste is piling up at power plants around the country, and a federal appeals court has told the government it needs to prove the temporary solution is truly safe.
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