Depleting Ozone Layer

For awhile now our earth has been having some major issues such as Global Warming and a depleting ozone layer. Our earth needs our ozone layer in order to survive, however people don't seem to care enough to stop their daily routines and help our Earth. Our ozone layer is a thin layer of oxygen that floats around our earth in the stratosphere approximately 15-25 miles above the ground. It filters out the sun's ultraviolet rays so that way we are not extremely harmed by them. Our ozone layer has been slowly degrading for a very long period of time. However in the 1900's to present, the ozone layer has been disintigrating alot faster. Our ozone layer is being destroyed by man made chemicals that are being released into the air from factories and large cities. Also many small things such as cars, households, smokers and things like that. They might seem like small little things to some people but because there are so many people in the world it all adds up. Since 1991 the Scientific Assesment of Atmospheric Ozone meassured a 3.5 to 5.5% decline in the ozone layer. In some places around the world the ozone layer is meassured at 40% ozone. Scientists have determined that it is actually extremely unsafe should the ozone layer become around 20% or lower. It would mean that there is hardly any protection from the sun's UV rays. The ozone layer plays a huge part in our daily lives as well with things like plants and our health. Should the ozone layer continue depleting it could have a huge impact on increased skin cancer, weakened immune system, and large increase of earlier wrinkly and tough skin. The ozone delpetion problem is not just occuring in one part of the world, it is all over. This is a worldly and hugely international problem that many governments are trying to come together and fix. The United States and 70 other nations all signed the Montreal Protocol in hopes to create actions to stop this depletion. Hopefully our actions will pay off for us and we won't all catch fire and die.