Vol. 2 
                    
                    
                                    Issue 2                                
                                                                | 1. Low carbon transformation of oil enterprises: study on dynamic evolution under carbon emission regulation | 
| 
                                                     Yichang Zhang  | 
                                            
| 2. Climate variability and its long-term trends in central Taraba, Nigeria: implications for local ecosystems and rural livelihoods | 
| 
                                                     Emeka Daniel Oruonye1, Andrew Ezra, Anger1, Robert Terhemen2, Linda Sylvanus Bako1  |