Which of the Following Was a Major Achievement of the Earth

Which of the following was a major achievement of the Earth Summit, which took place in Rio de Janeiro in 1992?

A) All activities that produced acid rain were outlawed.
B) For the first time, developmental and environmental issues were treated simultaneously.
C) Strip mining in the Global South was banned.
D) The list of endangered species was expanded to include plants and animals in the Global South.
E) All countries agreed to reduce their emissions of carbon dioxide by 20 percent.