Pollution, like many other issues in the world, has become a global issue. what was the name of the agreement that several countries signed as a way to pledge the lessening of carbon emissions

The answer is Kyoto Protocol
Kyoto Protocol is regarded as the first formal international agreement that taken in order to fight climate change issues.
The protocol was first encated in 1997 and consist of 37 industraliazed nations that pledge together in order to maintain a sustainable environment.

The repetition of initial consonant sounds is called alliteration