A new study is asking the European Parliament, European Union member states and European civil society organizations to push for regulatory measures targeted at Europe-based companies engaged in oil exploration in sub-Saharan Africa...The study follows on the heels of landmark UN findings reported on August 4, highlighting the devastating impact of oil spills in the Niger delta over the past five decades...While oil companies are implementing some measures to address the adverse impacts on environment and health, efforts remain "insufficient", says the report...The study puts forward a number of recommendations...[refers to BP, Chevron]