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Which of these vehicles is a "hybrid" in name only?

  • Answer: Chevy Malibu Hybrid
    While the Malibu Hybrid makes improvements on conventional technology, its batteries do not store enough power to help propel the vehicle, thus missing an opportunity for more significant pollution reductions.
  • Toyota Prius
  • Mercury Mariner Hybrid
8532 responses

Carbon dioxide (CO2) levels in the atmosphere are higher today than they have been for at least:

  • 80 years
  • 80,000 years
  • Answer: 800,000 years
    Antarctic ice core records show atmospheric CO2 (the leading contributor to global warming) is higher than levels recorded over the past 800,000 years, with half of that rise occurring in only the last three decades, primarily from human activity.
8560 responses

In the United States, antibiotics are mostly used to treat people suffering from bacterial diseases.

  • True
  • Answer: False.
    An estimated 70 percent of antibiotics and related drugs used in the United States are given to animals that are not sick, which leads to more difficult to treat, antibiotic-resistant diseases.
8566 responses

Producing 20 percent of U.S. electricity from renewable sources would reduce pollution as much as taking how many cars off the road?

  • 3.46 million
  • Answer: 34.6 million.
    Beyond reducing global warming pollution equal to taking nearly 35 million cars off the road, requiring 20 percent of U.S. energy come from clean sources like wind and solar would also help stabilize energy prices and create jobs.
  • 346 million
8546 responses

Known for clogging pipes and changing water quality in the Great Lakes region, how many invasive zebra mussels can cover one square meter:

  • 100
  • 10,000
  • Answer: 1,000,000
    With 1 million able to cover one square meter, the tiny zebra muscle latches onto any hard surface it finds – rocks, pipes, boat hulls – and is just one invasive species causing hundreds of millions of dollars' worth of damage
8519 responses

Today's typical nuclear warhead is twice as destructive as the one dropped on Hiroshima.

  • True
  • Answer: False
    The average U.S. nuclear bomb has an explosive yield of several hundred kilotons of TNT. The original "A-bomb" only had a 15 to 20 kiloton yield. An estimated 20,000 nuclear weapons exist worldwide, meaning many opportunities for accidents or theft.
8534 responses

The Union of Concerned Scientists (UCS) gave which of these agencies an above average grade for allowing its scientists to speak freely about their research with the press?

  • Answer: NASA
    Of these agencies, only NASA received a "B" in a recent UCS study ranking agency media policies. Effective communication of scientific results is critical to ensuring decisions are based on the best available science.
  • EPA
  • FDA
8547 responses

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