No, you cannot.

It sounds like you need to consult with an Attorney. In this country divorce is possible with only one person consent. You should speak with a...

Should I apply for citizenship now or wait?

If your husband as an American petitioned you and you are trying to obtain citizenship under the 3 year standard then you must wait since you are...

What was the crime?

I am out of status, what can I do?

Not alot one can do.

I was convicted of drugs in 1998. At the immigrant visa interview, they deny me.

You will to try and vacate that conviction. That is the only thing you can do.

Is there a work visa to work for a nonprofit?

no special visas and you cannot apply for any non-immigrant visas unless you will pick up outsiide US and obtain a waiver.

Can I petition for my parents to become permanent residents if Im a convicted sex offender?

After 21 yes if you meet all the other requirements.

I have a 245i (grandfathered), my brother petitioned me in 2004 and approved in 2009. What are my current options ?

get married to an american if the relationship is legitimate. Thats it.

I am currently on F-1 visa OPT and I need to change my status to J-1 before my residency starts on June 15th.

possible and you should act right away.