How many nations at the 1992 Earth Summit in Rio de Janeiro committed to reducing greenhouse gas emissions to 1990 levels by the year 2000?
A) over 100
B) 75
C) 50
D) 25

Name: How many nations at the 1992 Earth Summit in Rio de Janeiro committed to reducing greenhouse gas emissions to 1990 levels by the year 2000? A) over 100 B) 75 C) 50 D) 25
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Question

How many nations at the 1992 Earth Summit in Rio de Janeiro committed to reducing greenhouse gas emissions to 1990 levels by the year 2000? 
A) over 100 
B) 75 
C) 50 
D) 25

Quizplus · Accepted Answer

At the 1992 Earth Summit in Rio de Janeiro, over 100 nations committed to reducing greenhouse gas emissions to 1990 levels by the year 2000.

How Many Nations at the 1992 Earth Summit in Rio