How did we discover acid rain?
Acid rain was first identified in North America at Hubbard Brook in the mid-1960s, and later shown to result from long-range transport of sulfur dioxide and nitrogen oxides from power plants. Hubbard Brook research influenced national and international acid rain policies, including the 1990 Clean Air Act amendments.
Has acid rain killed anyone?
At the end of the last century, a great environmental crisis came from above in the form of acid rain. … A 1984 Congressional report estimated that acid rain caused the premature death of about 50,000 people in the United States and Canada.
What Colour is acid rain?
When you add acid, bromothymol blue turns yellow; when you add a base (like sodium sulfite), it turns blue. Green means neutral (like water).
Can acid rain burn your skin?
Very strong acids will burn if they touch your skin and can even destroy metals. Acid rain is much, much weaker than this; it is never acidic enough to burn your skin. Rain is always slightly acidic because it mixes with naturally occurring oxides in the air.
Is acid rain rare?
Acid rain was rare among environmental problems in that it had a viable solution, and these days it’s often hailed as an environmental success story. The market worked as intended, sulfur and nitrogen emissions declined and rain became less acidic.