When we use a lot of or lots of with countable nouns, we use a plural verb.
but when we use them with uncountable nouns, we use a singular verb.
Lots of students have come to the ceremony.
There is lots of time.
There are a lot of drug users in this area.
There is a lot of discrimination against immigrants in this country.
A lot of rich people exploit the poor to get their money.
A lot of the electricity is produced from hydro-electric dams.
There are lots of jobs for teenagers in the tourist industry.
Lots of tourists visit Prince Edward Island.
Lots of money is needed for studying in Japan.