Located in the stratosphere, the ozone layer blocks potentially harmful ultraviolet energy from reaching our planet's surface. What's the status of the hole discovered 40 years ago?

Scientists have identified four new man-made gases that are contributing to the depletion of the ozone layer. Two of the gases are accumulating at a rate that is causing concern among researchers.

A couple Zhang Jingsheng Lu Liping robbed the money train for money causing a canister truck carrying highly toxic drugs to leak gas and eventually burn through the ozone layer At the same time ...