Major new airport runway nixed because of the warming planet

Some 80 million passengers fly through London's Heathrow Airport each year, but to boost its capacity by another 50 million, the airport seeks to add a third runway. This could make Heathrow, by far, the busiest airport on Earth.

But three UK judges on Thursday blocked the construction of a new, more than 10,000-foot-long stretch of asphalt. In a lawsuit brought by environmental groups, the judges found the government's runway plan failed to consider how the added air traffic — which will...