they are using plastic bags at markets and using spray cans littering a lot of things
People are using excess CFC's. These CFC's react with ozone to deplete it.
== ==
The affects of ozone depletion on environment are many. These affects are the ones that cause damage.
The ozone hole affects us. It is the hole which lets UV in.
People are doing various efforts:Plantation of treesAvoid the usage of CFC's.
Ozone depletion is not worse in cities. If you measure the effects of ozone depletion by the number of people affected, there are more people per unit area in cities. Ozone depletion affects every unit area more-or-less equally. Ozone pollution affects cities worst, since NOx is mostly produced by urban and suburban<->urban traffic.
Ozone acts as a shield on earth. It is present as ozone layer.
They are not doing bad things intentionally. They do not know that CFC's harm ozone.
Lightening affects ozone. It helps in creating it.
Ozone layer affect the environment. As they say, it affects the biosphere.
The ozone depletion affects in many ways. Right now it is killing planktons.
The ozone depletion is caused by CFC's. They react with ozone and deplete it.
Negligible.