WASHINGTON — The world continues to increase the amount of heat-trapping carbon dioxide it pumps into the air, but it’s not rising as fast as in...
WASHINGTON — Most Americans are at least somewhat confident that the world will step up in its fight against global warming — but there are limits...
Megacities are on the rise. There are currently 47 such areas around the globe, each housing more than 10 million residents. More than half the global...
There are more than 1 million drones registered in the U.S. Most of them belong to people flying them for fun, but a growing number are...
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