"None."
"The ozone layer is so important! We can't kill it!"
"Save the Ozone before we all burn to death.It's up to [planet earth?If people could just realize?"
"Save the ozone for future generations!"
"So the ozone, our protection from the Sun, will be protected."
"Hello! I too have a petition on the first page because it's new. It says STOP CHILD LABOUR!!!!!!!! I was wondering if you could sign mine. Thanks!!"
"-"
"The ozone is important to the survival of all life on earth."
"i agree"
"i agree"