Phrase analysis

I would have millions of questions to ask, but I will reduce the number!

My question are:

-international energy agency> international=adj phrase; energy=adjective or noun phrase??; agency=noun phrase

-of holding>is it possible for a preposition to embedd a verb phrase?? > [OF (HOLDING)vp]pp ; or prepositional phrase can just embedd a noun phrase?

-temperature rise> is temperature a noun phrase itself or an adjective? (I would say the former...)

-of more than 2 degreed celsius which scientists say is the threshold for dangers> how would you analyse it in terms of phrase?

-the chief economist of the IEA> chief is a noun or an adjective?

-80 years\32gigatonnes\nien years>numbers are adjectives or noun phrases? I would say noun??

-this is what the numbers say> what is "what"?

-"into the economics of climate change for the treasury in 2006"?> can you do a phrase analysis?

-Such warming would disrupt....>is "such" an adverb phrase?

-and what is "such" in"such a path"?

-very soon> very is an adverb phrase?

-How should I consider the word "energy-related"> should I separate them and analyze singularly? or not?

-he is widely regarded as one of the mostimportant experts>whats is "as"?

-director of greenpeace UK> is UK a noun phrase or an adjective one?

-most of the rise> should I intend "most" as "the majority" and consider it as a noun phrase?

-about three-quarters of them> is three-quarters a noun phrase?

-it has come from developing countries>should I consider "has come from" as a phrasal verb, "developing as an adjective and countries as a noun or Should I consider "has come" as a phrasal verb; from developing countries as a prepositional phrase with a noun phrase embedded?

I'm sorry for the amount of question, I admit being very puzzled!! But please help me, I have to solve my problems for an university exam!

Thank you in advance, Angela!