Which U.S.president did NOT consider acid rain to be a problem when our Canadian Prime Minister approached him with the topic? 

A)  Jimmy Carter 
B)  George W. Bush Jr. 
C)  George H.W. Bush Sr. 
D)  Ronald Reagan

Acid Rain

Precipitation containing high levels of sulfuric and nitric acids resulting from the emission of sulfur dioxide and nitrogen oxide into the atmosphere, harming ecosystems and structures.

U.S. President

The U.S. President is the head of state and government of the United States, serving as the chief executive of the federal government and commander-in-chief of the armed forces.

Canadian Prime Minister

The head of government in Canada, responsible for leading the country's executive branch and setting governmental policies in collaboration with their chosen cabinet.