" ( There is much information available.. ) The key lies in "information," which is uncountable. If you switch to a countable noun, then the verb becomes plural.
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Avangi
The verb should be singular, because "lots" is understood to be slang for "a lot of."
(There is much information available...)
Avangi
We should stress that "of" goes with the "determinative," as you say, and not with "information."