Complex sentence: The Polonoreste project which caused ecological damage on a wide scale and wholesale deforestation as well as the forced relocation of indigenous communities led to an international campaign which resulted in the world bank suspending loans.
Split into simpler sentences: The Polonoreste project caused ecological damage on a wide scale and wholesale deforestation as well as the forced relocation of indigenous communities. The project led to an international campaign which resulted in the World Bank suspending loans.