News tagged with impact

Twenty years of planetary defense

On March 11, 1998, asteroid astronomers around the world received an ominous message: new observational data on the recently discovered asteroid 1997 XF11 suggested there was a chance that the half-mile-wide (nearly one kilometer) ...

dateJul 24, 2018 in Space Exploration
shares92 comments 1

How China is taking on climate change

In 2017, China was the world's leading emitter of heat-trapping gases by a wide margin. Its policies for limiting emissions will have a significant impact on the global climate for decades to come.

dateJul 20, 2018 in Environment
shares6 comments 0